Abstract: A computerized electricity system for connecting loads to a power source, including: (a) an arc fault detecting sub-system having at least one module including: (i) a relay unit, electrically associated with a particular load, for connecting and disconnecting to a power source; (ii) a current source for measuring a current being delivered from the power source to the load, to produce a current measurement; (iii) an analog circuit for receiving the current measurement from the current sensor, and for producing an analog signal based on the current measurement, and a second signal for indicating a potential arc fault event, and (iv) a digital circuit for receiving the second signal from the analog circuit and producing data, and (b) a processing unit connected to each module, so as to receive data corresponding to the analog signal, and the data from the digital circuit, the processing unit for identifying the arc faults, and wherein the processing unit is configured to command the relay unit to disconnect the

Abstract: A method and system for transferring a load from a first AC voltage source to a second AC voltage source. A temporary voltage source is connected to the load and to the first voltage source via a resistor. The first voltage source is disconnected from the load. The second voltage source is connected to the load. Finally, the temporary voltage source is disconnected from the load. The temporary voltage source may be independent of the first and second voltage sources, or may obtain voltage from the first or second voltage sources. The connecting and disconnecting is done by mechanical switches, by thyristors, or by mechanical switches and thyristors in parallel or in series.

Abstract: A method and system for transferring a load from a first AC voltage source to a second AC voltage source. A temporary voltage source is connected to the load and to the first voltage source via a resistor. The first voltage source is disconnected from the load. The second voltage source is connected to the load. Finally, the temporary voltage source is disconnected from the load. The temporary voltage source may be independent of the first and second voltage sources, or may obtain voltage from the first or second voltage sources. The connecting and disconnecting is done by mechanical switches, by thyristors, or by mechanical switches and thyristors in parallel or in series.

Abstract: An apparatus for and method of evenly distributing an electrical load across an n-phase power distribution network. The current in each incoming phase and in each branch circuit is measured by a current sensor. The outputs of the current sensors are monitored by a processor. Associated with each branch circuit is a multi-pole switch and a conventional circuit breaker. Each switch is able of connecting its corresponding branch circuit to any incoming phase, and of disconnecting the branch circuit from all n phases. The processor periodically monitors currents flowing through each incoming phase and, based on branch circuit load conditions, reprograms the switches to keep the branch circuit loads evenly distributed across all three incoming phases.

Abstract: An apparatus for and method of evenly distributing an electrical load across a three phase power distribution network. The current in each incoming phase and in each branch circuit is measured by a plurality of current sensors. The output of the current sensors are monitored by a processor. Associated with each branch circuit is a multi-pole switch and a conventional circuit breaker. Each switch is able to connect its corresponding branch circuit to any incoming phase or to disconnect the branch circuit from all three phases. The processor periodically monitors the current flowing through each incoming phase and based on branch circuit load conditions, reprograms the switches to keep the branch circuit loads evenly distributed across all three incoming phases. In another embodiment, a summing circuit combines the current capacities of all three incoming phases into a single summed output.