Abstract: A system, device, and method of providing information for a power distribution system is provided. In one embodiment, a method of using a device that receives power from the low voltage power of the power distribution system and experiences a power loss during a local power outage may perform the processes of monitoring a voltage of the low voltage power line, detecting a voltage reduction below a threshold voltage for a predetermined time period, storing information of the voltage reduction in a non-volatile memory prior to the power outage, and transmitting a notification to a remote computer system prior to the outage. The monitoring may comprise making a plurality of measurements of the voltage during a time interval and averaging the plurality of voltage measurements. In addition, the method may include transmitting an alert message upon power up after the outage to indicate a power restoration local to the device.

Abstract: An apparatus and method for these embodiments of the present invention, useful in manufacturing for example, includes a plurality of battery modules serially intercoupled together, each module including a housing with an anode connector and a cathode connector, each housing including a memory for storing a module identifier and wherein an anode connector of a first module is coupled to a cathode connector of a second module; and a processing system, coupled to each the module, for determining a plurality of positional attributes of each the module, one positional attribute associated with each the module of the plurality of modules, the processing system writing an ID into the memory of each particular module responsive to the associated positional attribute for the particular module.

Abstract: An over-current input conditioning limiter is disclosed for remote equipment. The over-current input conditioning limiter includes a current sensing apparatus, a semiconductor switch, and a programmable controller for controlling the peak current drawn from a pair of supply lines. The over-current input conditioning limiter is particularly useful for overcoming voltage collapse and over-current shutdowns of network power supplies feeding remote apparatus known in the art.

Abstract: A protection apparatus is for a direct current electrical generating apparatus. The protection apparatus includes a first terminal; a second terminal; a third terminal; a fourth terminal; at least one current sensor structured to sense current flowing between the first and second terminals or between the third and fourth terminals; a voltage sensor structured to sense a voltage between the first terminal and the third terminal; at least one switch structured to interrupt the current flowing between the first and second terminals or between the third and fourth terminals; and a processor cooperating with the at least one current sensor, the voltage sensor and the at least one switch, and being structured to provide feed forward fault protection for the direct current electrical generating apparatus.

Abstract: The disclosed power distribution system regulates the transfer of energy from a source 1 to a load 3. Source Controller 5 on the source side closes Disconnect Device 7 and monitors the transfer of a pulse or “packet” of energy to the load side. A Load Controller 9 on the load side communicates the amount of energy received at the load back to the source controller via Communication Link 11. If it is confirmed that the energy received on the load side corresponds to that sent by the source side, another energy packet is sent. If the energy received does not correspond with that sent by the source side, energy transfer is stopped, indicating a system fault or safety hazard. The energy content of a single packet is kept small, such that if it is not properly delivered, it can not cause damage to equipment or harm personnel.

Abstract: An on-site power plant (24) has a controller (40) that selectively controls operation of prime movers (26, 28, 30). In one example, the controller (40) changes the number of operating prime movers responsive to a transient in a load (22) requirement while continuing to operate at least one of the prime movers. One example includes prioritizing the prime movers (26, 28, 30) for operation based upon the needs of a cogeneration unit (32, 34, 36) associated with the prime movers for providing a temperature control function within a facility. Another example includes controlling operation of the prime movers based upon a capacity for fueling the prime movers.

Abstract: The subject specification comprises a generalized grid security platform (GGSP) that can control power distribution and operations in a power transmission and distribution grid (PTDG) in real or near real time. The GGSP can receive data from one or more data sources, including a PMU(s) or an IED(s), which can obtain power system related data and provide at least a portion of such data to the GGSP at a subsecond rate. The GGSP can correlate data from the data sources based at least in part on a temporal, geographical, or topological axis. The GGSP can analyze the data, including performing predictive analysis, e.g., via simulation, root cause analysis, post mortem analysis, or complex event processing, when desired, to facilitate identifying a current or predicted future state of the PTDG, a cause or source of an abnormal condition, or a remedial action execution plan, new operation or maintenance guidance, etc.

Abstract: This present provides a control and protection equipment system suitable for synthesis converter operation test, relates to power system automation equipment field. This system includes human-machine interface element, synchronization element, signal acquisition element, data aggregation element, conditioning element, protecting element, wave form recording element, wave form monitor element, on-off input element, on-off output element, vale based element (VBE), high direct current supply power system controller, high voltage supply system controller, current surge circuit controller, impulse circuit controller, test converter valve water cooling controller and test equipment water cooling system controller. This system can control converter samples and auxiliary valves on set trigging timing, produce various operation tests need heat, voltage and current of the converter samples and carry through operation tests.

Abstract: An electronic control apparatus 100A is configured in such a way that a CPU 110A reads the conduction current of an opening/closing device 140n in an IPM 190A, by way of serial-parallel converters 114a and 114b and a second multi-channel A/D converter 116b; the opening/closing device 140n is opening/closing-controlled through a serial control signal SRn or a parallel control signal PWMn; and a reading timing control circuit 170n adjusts the reading timing in such a way that, regardless of the kind of the control signal, reading is performed during the period in which the opening/closing device 140n is driven to be closed. As a result, the serial-parallel converter can reduce the number of wiring leads between the IPM and the microprocessor, and the digital conversion value is accurately read, by adjusting the error between the serial-signal timing and the parallel-signal timing.

Abstract: A solar power inverter that detects islanding conditions includes a power generation component that generates alternating current (AC) from direct current produced by photovoltaic cells. The inverter generates AC for a load or an electrical power grid. The inverter also includes a component that generates synchrophasors from characteristics of electrically proximate AC. The inverter further includes a component that receives grid synchrophasors transmitted from a location on the electrical power grid (e.g., a transmission substation). The inverter further includes a controller that uses the inverter synchrophasors and the grid synchrophasors to calculate a degree of correlation between the electrical power grid AC frequency and the frequency of the electrically proximate AC. If the degree of correlation dips below a predefined value or exhibits certain patterns or behaviors that are indicative of a loss of mains (e.g.

Abstract: A redundant, multi-source architecture provides output loads access to each of the plurality of power sources. The architecture includes at a least a first power bus and a second power bus. A plurality of loads are connected to the first power bus and the second power bus. Redundant first and second channel controllers are connected to receive power from the first power bus and the second power bus, respectively, wherein one of the first and second channel controllers is designated as the active channel controller. The active channel controller allocates power from both the first power bus and the second power bus to each of the plurality of loads.

Abstract: An electrical socket apparatus with over-current protection is disclosed, including at least two sockets, at least one breaker switch, a current detection unit and a microprocessor. The sockets are coupled in parallel to a power system. The breaker switch is installed in the path of one of the sockets coupled to the power system for breaking or connecting the path of the sockets to the power system. The current detection unit detects the current flowing into the sockets and outputs a set of current values. The microprocessor is coupled to the current detection unit for receiving the set of current values, determining whether a total current flowing into the sockets exceeds a current threshold value and breaking the breaker switch according to a predetermined breaking data when total current flowing into the sockets exceeds the current threshold value.

Abstract: A ground fault interruption (GFI) system is incorporated onto a DSP based LRM of an aerospace vehicle. The GFI system operates with digital controls and, unlike the prior art, the system does not employ current transformers. Synchronization pulses are employed to coordinate instantaneous current measurement samplings in each phase of a multi-phase power system. Coordinated sampling may reduce phase angle current differential errors and improve operational precision of the GFI system.

Abstract: A method for controlling operation of a wind turbine included within a power generation and delivery system is described. The method includes measuring at least one operating condition of the power generation and delivery system. The method also includes transmitting, to a power limiter system, an operating condition feedback signal that corresponds to the operating condition. The method also includes analyzing the operating condition feedback signal to identify an occurrence of a grid contingency event and generating a real current command signal corresponding to an occurrence of a grid contingency event. The method also includes transmitting the real current command signal to a controller and applying the real current command signal to power converter performance to facilitate reducing pole-slipping. The method also includes storing, in a memory, at least one variable corresponding to the operating condition upon the occurrence of a grid contingency event.

Abstract: The invention relates to a method for operating a wind turbine connected to a utility grid during a utility grid disturbance. The method comprises the steps of controlling active current in dependency of the frequency deviation from a reference frequency, and controlling reactive current in dependency of the voltage deviation from a reference voltage. The invention also relates to a wind turbine and wind park.

Abstract: A method of power factor correction without using current sensing or a multiplier is disclosed. A generated predictive pulse is used to charge and discharge a power factor correction (PFC) inductor so that the current in the PFC inductor has a similar phase angle as the input AC voltage. Each ON portion of the pulse is used for charging while each OFF portion is used for discharging. As the input voltage increases in phase, the predictive pulse gradually increases in ON time duty and the PFC inductor is charged in increasing amount and discharged in decreasing amount per pulse. When peak is reached the duty ratio is reduced each pulse and the PFC inductor current is reduced along with the input AC voltage source until phase angle reaches 180 degrees and the ON time becomes zero.

Abstract: A method and system for a power distribution system are provided. The method includes determining at a central controller normal mode configuration settings for a plurality of circuit breakers of the power distribution system and determining at the central controller alternate mode configuration settings for the plurality of circuit breakers of the power distribution system. The method further includes controlling with the central controller the operation of the plurality of circuit breakers based on the normal mode configuration settings and the alternate mode configuration settings.

Abstract: A method for optimized energy management of an electrical system is provided for protecting a component to be protected of the electrical system. The power dissipation of at least one component to be protected is determined, the expected temperature increase is calculated using a thermal model, the expected temperature increase is compared with a predefined temperature threshold value. Consumer loads are switched on or off depending on their priority. A device for carrying out the method is provided. The device includes a power meter, calculation unit storage unit, and switching unit for switching consumer loads The electrical system to which the device is assigned includes at least one consumer load and at least one component to be protected.

Abstract: The present invention relates generally to a partial discharge counter for the diagnosis of a GIS. The partial discharge counter includes a partial discharge detection sensor for detecting a partial discharge. A first surge inflow prevention circuit separates a surge signal from an output terminal of the partial discharge detection sensor. A channel 1 frequency conversion module forms a low-frequency signal. A noise detection sensor detects noise. A second surge inflow prevention circuit separates a surge signal from an output terminal of the noise detection sensor. A channel 2 frequency conversion module forms a low-frequency signal. An ADC circuit generates partial discharge data and noise data. A synchronization device enables the partial discharge data and the noise data to be output in synchronization with frequency of the phase voltage. A digital signal processing unit counts a number of times the partial discharge occurs. Counting units display a count value.

Abstract: A method of monitoring voltage stability within an electrical power system comprises the steps of establishing a dynamic power system stability margin based on an operating characteristic of the power system; indicating that the power system has become unstable when the dynamic power system stability margin falls below a predetermined value; and initiating dynamic load shedding and/or restoration depending on stability margin.

Abstract: An electronic control apparatus is provided in which a supervisory control circuit part capable of mutual communication with a main control circuit part, which is operated by a high speed clock signal of high precision, is operated by a medium speed clock signal, which is low in cost and precision, such that they can operate mutually independently of each other. The main control circuit part supplies a medium speed communication synchronization signal frequency divided to the supervisory control circuit part. The supervisory control circuit part is operated by the medium speed clock signal to supervise the control operation of the main control circuit part. An error measuring circuit calculates an error correction coefficient which is the ratio of the signal cycle of the communication synchronization signal to that of the medium speed clock signal. The value of the error correction coefficient is reversely supervised by the main control circuit part.

Abstract: An automated hierarchy classification algorithm that searches for a child monitoring device's parent in a utility monitoring system by segmenting the device data measured by a given device pair and calculating a segment correlation coefficient for each data segment. Devices to be placed in the hierarchy are filtered by calculating the variance of their device data and eliminating devices with a low variance. Devices are ranked by computing the sum of squares of their device data and ordering the devices accordingly from highest to lowest. The device data is segmented and segment correlation coefficients are averaged to produce an overall correlation coefficient. Criteria are evaluated to determine whether a device pair is linked. A correlation coefficient is calculated using the complete data series of a device pair, and the solution produced by this approach is compared with the solution produced by segmenting the device data.

Abstract: A safety method and safety apparatus of an electric installation (2) that is powered through an electric supply line (3), and has a ground wire (9). The safety apparatus comprises a means (400A) for automatically measuring (71) the voltage (?V) that is established between the neutral point (1,23) of the transformer (26) of an electric supplying network and the ground wire (9). A comparison (74) is then made between the measured voltage (?V) and an alarm voltage value (?V). Finally, a switch (33) is activated (79) by means of a control device (370), when the measured voltage (?V) exceeds an alarm voltage value (?V), and the electric supply line (3) is automatically disconnected from the electric installation (2). The invention is adapted to prevent, in particular, dangerous contact voltages from building up on the a ground terminal that is shared by all the electric installations of a living unit of multifloor building that would be transferred to all the electric installations that are connected to ground.

Abstract: The present invention discloses an electronic device having a power management module and a power management method thereof. Within the power management method is used for an electronic device, which has a first power module, a second power module and the loads. The power management method comprises the following step: (1) monitoring the first power module and the second power module; (2) if the first power module and the second power module are activated at the same time, sequentially stopping a supply of electric power to at least one of the loads until the electronic device has total load current smaller than a reference value.

Abstract: A system, method and product for modifying the volt-ampere reactive (VARs) in a power distribution system is provided. In one embodiment, the method includes determining the VARs at a location on the power distribution system and based on the determined VARs, determining whether to modify the VARs. If it is determined to modify the VARs the method includes identifying a plurality a capacitor banks connected to a power line and from the identified plurality of capacitor banks, generating a list of eligible capacitor banks that satisfy inclusion criteria. If the list of eligible capacitor banks includes at least one capacitor bank the method includes selecting a capacitor bank from the list of eligible capacitor banks and transmitting a switching command for the selected capacitor bank.

Abstract: A system and method for monitoring the power damping compliance of a power generation unit comprises a measurement unit that is configured to be coupled to a power generation unit to identify the voltage, current, and frequency values associated with power output therefrom. A processing system maintaining a model-based filter processes the voltage, current, and, frequency values to estimate the total amount of damping provided by the power generation unit. The estimated total damping is compared to prior historical values maintained in a database using various statistical techniques to determine if a power system stabilizer (PSS) provided by the power generation unit is being operated in a manner complying with predetermined guidelines.

Abstract: A method of remote control of a transmission capacity of an aerial power line in real time including arranging on a cable of the power line devices monitoring parameters that characterize a condition of the cable including a cable temperature Tki in a cross-section along a length of the cable, and a value of a current I in the cable in a time point t, determined in accordance with data of a GPS system received by the devices arranged on the cable, transmitting the data about the condition of the cable by the monitoring devices via channels GSM/GPRS to a receiving device of a concentrator arranged in a point of control of a mode of operation of the aerial line, from N values of Tki selecting a maximum value Tkmax, and comparing the selected value with the value Tklim which is a maximum permissible cable temperature; and making a conclusion to reduce, to increase or to maintain a load current in the cable depending on a rating between Tkmax and Tkilm.

Abstract: A control system for an energy production facility includes a plant controller for receiving an indication of a measured power output of the energy production facility that includes power generators and produces output signals. The system also includes a processing unit operably coupled to the plant controller and responsive to executable computer instructions when executed on the processing unit cause the plant controller to: create an output signal that causes an energy storage device to discharge in the event power reserves of the power generators can not met the requested ramp down rate; and create an output signal that causes the energy storage device to charge up in the event that the power capability of the power generators can meet the requested ramp down rate.

Abstract: Protection arrangements and methods of operating protection arrangements are important in order to maintain operability with regard to electrical power distribution networks. Such networks generally comprise grids or meshes of electrical distribution pathways from generators and electrical loads. Faults may occur within the network and circuit breakers or other protection elements are utilised to isolate such faults. A number of regimes for protection are known but problems can arise with regard to ensuring an appropriate pan of the distribution network is isolated.

Abstract: Systems and methods for limiting heating to prevent explosions in a gaseous environment containing an industrial control system are described. A method may include controlling heating in an electrical circuit component in response to a circuit failure so as to avoid reaching a temperature at or above a flash point of a gaseous component of the gaseous environment.

Abstract: A control unit of a system stabilizing device uses a fluctuation detecting block (70A) to determine fluctuation components included in the active component and reactive component currents of a system current. The cut-off frequency on the high frequency side of the fluctuation detecting block (70A) is set to be f1; the cut-off frequency on the low frequency side is set to be f2; the time constant of a low-pass filter for noise removal which has a cut-off frequency of f1 is set to be T1; and the time constant of a low-pass filter for setting a fluctuation detection time which has a cut-off frequency of f2 is set to be T2.

Abstract: A redundant power supply may obtain a rule for increasing mean time between failures (MTBF) for a first internal power supply and a second internal power supply connected to an electronic device, apply the rule to the first and second power supplies, activate the second internal power supply based on the rule to permit the second internal power supply to provide power to the electronic device, and deactivate the first internal power supply based on the rule.

Abstract: A control unit of a system stabilizing device uses a fluctuation detecting block 200 for determining current commands from a system current. A fluctuation detecting unit 300 determines, from an active component Isd of the system current, a common current command Irefd0 which is a fluctuation component of the active component Isd. A first current command creating unit 400 receives as an input the current command Irefd0, and outputs a current command Irefd1 whose signal width is as small as T4 and which instantaneously rises and then gradually decreases. A second current command creating unit 500 receives as an input the current command Irefd0, and outputs a current command Irefd2 which gradually increases for a time T4 and then gradually decreases for a time (T3-T4).

Abstract: A self-contained control unit of a system stabilizing device installed on a microgrid is provided with a fluctuation detecting block 70A for determining a fluctuation component of the frequency of system voltage (C?s) and a fluctuation component of voltage amplitude of the system voltage (C|Vs|). The fluctuation detecting block 70A determines the fluctuation component (C?s) based on a deviation between the output signal of a low-pass filter 71 for noise removal and the output signal of a low-pass filter 72 for determining a fluctuation detection time. An interference action inhibiting unit 100 judges whether system stabilizing control and governor control of a generator interfere with each other, based on a frequency signal ?s and the fluctuation component C?s. If there is interference, the time constant of the low-pass filter 72 is reduced to reduce the fluctuation component C?s, thereby decreasing the amount of control by the system stabilizing device and preventing interference.

Abstract: Systems and methods for monitoring power devices that are connecting in a loop to a main power line are provided. A plurality of power devices that are connected in a loop to a power grid line may be provided. The loop may include a plurality of power lines. A disturbance within the plurality of power devices may be identified, and an impact of the identified disturbance on the plurality of power lines may be determined. A power output of one or more of the plurality of power devices may be adjusted based at least in part on the determined impact.

Abstract: An area electric power system includes a number of direct current power sources, and a number of inverters operatively associated with the number of direct current power sources. Each of the number of inverters is structured to provide real power and controlled reactive power injection to detect islanding. An output is powered by the number of inverters. A number of electrical switching apparatus are structured to electrically connect the number of inverters to and electrically disconnect the number of inverters from a utility grid. A number of devices are structured to detect islanding with respect to the utility grid responsive to a number of changes of alternating current frequency or voltage of the output.

Abstract: A method, computer program product, and system for managing a power distribution network is provided. In one embodiment, the computer program product comprises a VARs management module configured to generate a command configured to cause a capacitor bank to connect to the power distribution network; a voltage management module configured to receive voltage data derived from a measurement of a power line of the power distribution network and to output an alert if the voltage data is beyond a threshold; a measurement module configured to generate a request for measurement data that comprises data of a measurement of one or more electrical parameters of the power distribution network; and a power outage management module configured to output data of a location of a power outage of the power distribution system.

Abstract: An electric power supply device is provided that includes an electric power supply portion, an information communication portion, a control portion, and an impedance measurement portion. The electric power supply portion supplies, to another device with which an agreement has been established to supply electric power, the electric power that the agreement specifies, by supplying the electric power to a bus line during predetermined electric power supply intervals that recur cyclically. The information communication portion wirelessly transmits and receives, to and from the other device to which the electric power supply portion supplies the electric power, information signals that express information. The control portion controls the electric power that the electric power supply portion supplies and the information signals that the information communication portion transmits. The impedance measurement portion measures the impedance of the bus line on a specified cycle.

Abstract: A control unit of a system stabilization device uses a fluctuation detection block (60) to determine fluctuation components included in the active component and reactive component currents of a system current and fluctuation components included in the frequency signal and the amplitude signal of a system voltage. The cut-off frequency on the high frequency side of the fluctuation detection block (60) is set to be f1; the cut-off frequency on the low frequency side is set to be f2; the time constant of the low-pass filter for noise removal which has a cut-off frequency of f1 is set to be T1; and the time constant of the low-pass filter for setting a fluctuation detection time which has a cut-off frequency of f2 is set to be T2.

Abstract: A networked charging station for electric vehicles protects against overcurrent and ground fault conditions. Upon detecting an overcurrent condition or a ground fault condition, the networked charging station for electric vehicles de-energizes a charging point connection to prevent electric current from flowing between an electric vehicle and the networked charging station and suspends the charging session. The networked charging station clears the overcurrent condition or the ground fault condition upon receipt of an authorized request which is transmitted remotely. The authorized request can be received from the vehicle operator that is associated with the charging session or from an administrator of the charging station through a radio-frequency identifier (RFID) tag enabled device or through a text message or an email message. The networked charging station clears the overcurrent condition or the ground fault condition without a manual reset of a circuit breaker or a GFCI device respectively.

Abstract: Apparatus and methods for network protection monitor the functional state of a control component on a circuit protection device and provide a back up control signal to activate the circuit protection device to protect the network in the event that the control component on the circuit protection device stops functioning.

Abstract: A method and apparatus measures electrical power usage and quality, while mitigating the effects of noise on measured signals or parameters. Specifically, a digital electrical power and energy meter employs a method in which a processor averages a parameter, such as voltage or current, over a plurality of cycles of a time-varying signal, such as an AC electrical signal. The method employed by the meter samples a parameter over the plurality of cycles and computes the average of the samples corresponding to the same phase angle of the signal to produce an average signal.

Abstract: A system and method to measure power usage within a residence having a plurality of electrical circuits electrically connected to an over-current protection device may include measuring, by a power measurement device electrically connected to one of the electrical circuits by which power loads draw power, an electrical parameter of the electrical circuits. The electrical parameter may be modeled as a lumped complex impedance. Alternatively, the electrical parameter may be a complex impedance of individual appliances. The measurement may be of AC voltages that may be utilized to calculate complex impedance. Alternatively, the measurement may be made using a reflectometer technique used to compute complex impedance. A data value representative of power being drawn by the power loads connected to the electrical circuits using the measured electrical parameter may be computed. An indicia representative of the computed data value representative of the power being drawn on the electrical circuits may be displayed.

Abstract: A method of setting a ground fault trip response function for a trip unit includes enabling a ground fault protection mode for the trip unit, setting the ground fault trip response function for the trip unit, wherein the ground fault trip response function is a double knee time current function.

Abstract: A metering device of a power substation and method are provided for operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform. The method includes stepping down the secondary waveform and generating a corresponding output signal; operating on the corresponding output signal for generating a corresponding first digital signal having a value proportional to the corresponding output signal and within a first range; and operating on the corresponding output signal for generating a corresponding second digital signal having a value proportional to the corresponding output signal and within a second range. The method further includes processing the first digital signal and outputting a corresponding first output signal; processing the second digital signal and outputting a corresponding second output signal; processing the first and second output signals; and generating output corresponding to the processing of the first and second output signals.

Abstract: An adaptive relaying control system and method is disclosed for adapting coordination of protective measures provided to an electric-energy distribution system as a function of at least an ambient weather condition. A weather sensor senses the ambient weather condition within a region adjacent to at least a portion of the electric-energy distribution system. A control unit is operatively coupled to the weather sensor to receive a weather signal indicative of the ambient weather condition and determine whether a storm condition exists based at least in part on the weather signal. The control unit establishes a suitable control philosophy for adapting coordination of the protective measures provided to the electric-energy distribution system based at least in part on whether the storm condition exists.

Abstract: A controller for a load includes separable contacts, an operating mechanism structured to open and close the separable contacts, a processor circuit cooperating with the operating mechanism to open and close the separable contacts, and an output controlled by the processor circuit. The output is structured to cause a remote circuit interrupter to open a power circuit electrically connected in series with the separable contacts. The processor circuit is structured to detect failure of the controller to control the load and activate the output.

Abstract: A communication process between two constitutive elements of the network of electricity distribution in a domestic or industrial premise including circuit breakers, electrical modules, switches, electrical plugs and light connection devices. The process including the following steps: assignment by a protocol such as DHCP, BootP or RARP of a first IP address to a first element of the power distribution network, assignment of a second IP address to a second element, and establishment of a communication between the first and second elements of the power distribution network.

Abstract: A system for connecting an electric vehicle to a Level I or Level II power source. The system including an electric vehicle supply equipment (EVSE) having an electrical plug compatible with a Level I or Level II power outlet, the plug connected to a power cord. The power cord is connected to a housing containing a number of electrical components configured to control the power flow to an electric vehicle to recharge the vehicle's batteries, via either Level I or Level II. The power cord extends from the housing and is connected to a standard electric vehicle connector compatible with battery electric vehicles (BEV) and plug-in hybrid electric vehicles (PHEV). The EVSE further includes safety measures, such as a relay that controls the flow of power to the vehicle connector and a ground fault interrupter, to protect users from high voltage electric shocks.

Abstract: The present invention involves an intelligent electrical energy management system device. The device includes a power supply module (2), a control module, a memory module, an input module, a clock module (12) for providing a real-time clock, a current detection module (8) for detecting the current flowing in electrical equipments (91, 92, 93, 9n), and an electronic controlled switch. The memory module, the input module, the clock module (12), the output terminals of the current detection module (8), and the control terminal of the electronic controlled switch are connected to the data terminals of the control module respectively. An external power supply supplies power to the electrical equipments (91, 92, 93, 9n) via the electronic controlled switch and the current detection module (8). The power supply module (2) is connected to the external power supply and provides power to each module.