Abstract: The present disclosure provides for a rotatable side panel of a cabinet. A side panel, comprises: a primary base; one or more cable dividers; a first flange; and a second flange; wherein the one or more cable dividers are disposed on the primary base, wherein the one or more cable dividers are perpendicular to the primary base, wherein the first flange is disposed along one of the one or more cable dividers disposed furthest to one side of the primary base, wherein the second flange is disposed along one of the one or more cable dividers disposed furthest to the opposite side of the primary base from the first flange, and wherein the second flange is disposed at a top end of the one of the one or more cable dividers.

Abstract: A demand-based load balancing function may be provided by one or more drive controllers that takes advantage of the affinity laws to linearize the control of the variable of interest (e.g., flow, pressure, etc.). Each drive controller may be set up by the user simply inputting a few values into the drive controller. Based on the inputs, the drive controllers may interpolate control points using an assumed linear relationship between the variable to be controlled (e.g., pressure) and the current driven to the pump. Feedback data from the system may be used to continually update the drive controllers so as to potentially allow them to better balance power usage to each pump.

Abstract: The systems and methods disclosed are directed towards a retractable and adjustable display arm for a data center cabinet that allows a user to access internal components of the data center cabinet without completely detaching a display from the data center cabinet. The retractable and adjustable display arm has an attachment base to pivotally couple the retractable and adjustable display arm to the data center cabinet, and also has a mounting portion for mounting a display, such as a computer display monitor, tablet, or the like, to the retractable and adjustable display arm. The attachment base achieves the pivotal coupling between the retractable and adjustable display arm to the data center cabinet using one or more hinges. Further, the mounting portion has one or more adjustable supports, allowing displays of varying sizes to be mounted in various locations on the mounting portion.

Abstract: The present disclosure provides for a rotatable side panel of a cabinet. A side panel, comprises: a primary base; one or more cable dividers; a first flange; and a second flange; wherein the one or more cable dividers are disposed on the primary base, wherein the one or more cable dividers are perpendicular to the primary base, wherein the first flange is disposed along one of the one or more cable dividers disposed furthest to one side of the primary base, wherein the second flange is disposed along one of the one or more cable dividers disposed furthest to the opposite side of the primary base from the first flange, and wherein the second flange is disposed at a top end of the one of the one or more cable dividers.

Abstract: The present disclosure provides for an electric motor that comprises a housing and a shaft disposed through the housing. The electric motor further comprises a rotor fitted on the shaft within the housing and a stator disposed within the housing and around the rotor. The electric motor further comprises a fan covering disposed on a first end of the housing and a first bearing cap disposed at the first end of the housing, wherein the first bearing cap is configured to house a first bearing, wherein the first bearing cap comprises a plurality of protrusions configured to operate as a heat sink for the electric motor. The electric motor further comprises a first fan disposed at an end of the shaft and within the fan covering, wherein the first fan is operable to generate a first airflow configured to flow over an external surface of the housing.

Abstract: A method for controlling a permanent magnet (PM) synchronous motor in an ESP application is provided. A load angle of the PM motor is estimated. A voltage adjustment value is determined for the PM motor based at least on the estimated load angle of the PM motor. A voltage to be applied to the PM motor is determined based on the voltage adjustment value.

Abstract: A system including a door, a fastener, and a fastener retaining assembly is provided. The fastener is extending at least partially through an aperture in the door. The fastener retaining assembly includes a bracket and a retainer washer. The fastener retaining assembly is attached to the door and retains the fastener to the door. The retainer washer is disposed around the fastener and disposed between the bracket and the door.

Abstract: In accordance with disclosed embodiments, a power conversion system and method are provided. The power conversion system comprises a main power source configured to deliver drive power to a load and an add-on power module. The add-on power module comprises an isolated DC/DC converter and a low voltage source coupled in series with a high voltage source. The add-on power module is coupled to the main power source and the load and configured to output boost power to the load. The power conversion system further comprises a controller coupled to the main power source and the add-on power module, wherein the controller is configured to: determine that the load requires power from the main power source, and if so, direct boost power from the add-on power module to the load; and direct drive power from the main power source to the load when boost power falls below a predetermined threshold.

Abstract: The systems and methods disclosed relate to an air intake assembly, wherein the air intake assembly comprises: a frame comprising a plurality of openings, wherein each one of the plurality of openings comprises a V-shaped cross-section. The air intake assembly further comprises a plurality of slats, wherein each one of the plurality of slats comprises a V-shaped cross-section. The air intake assembly further comprises a stiffener configured to provide structural support to the plurality of slats, wherein the stiffener is disposed within an interior of the frame. The plurality of slats are disposed within the frame through the plurality of openings of the frame and through the stiffener.

Abstract: The present disclosure provides for a punch head that produces a profile in a piece of material. The punch head comprises a protrusion, wherein the protrusion is disposed on a first side of the punch head, wherein the protrusion is disposed at a central location and extends away from the first side, wherein the protrusion has a circular cross-sectional shape; and one or more interlocking feature producing protrusions, wherein the one or more interlocking feature producing protrusions are disposed on the first side of the punch head, wherein each of the one or more interlocking feature producing protrusions comprise: a raised section; a middle section; and a fillet, wherein the middle section is disposed between the raised section and the fillet, wherein the raised section has a greater height than the middle section.

Abstract: The present disclosure relates to battery cabinets and other power or electronic apparatuses comprising batteries, more particularly, to a tray configured to expand to accommodate different orientations of one or more batteries. A tray configured to contain one or more batteries, comprising a primary base; a secondary base; a first sidewall; a second sidewall; a back wall; a first vertical extension; and a second vertical extension; wherein the primary base is disposed on top of and aligned with the secondary base, wherein the first sidewall and the back wall are coupled to the primary base, wherein the second sidewall is coupled to the secondary base, wherein the back wall is perpendicular to the first sidewall and the second sidewall, wherein the first vertical extension is coupled to the first sidewall, and wherein the second vertical extension is coupled to the second sidewall.

Abstract: The present disclosure provides for a rotatable side panel of a cabinet. A side panel, comprises: a primary base; one or more cable dividers; a first flange; and a second flange; wherein the one or more cable dividers are disposed on the primary base, wherein the one or more cable dividers are perpendicular to the primary base, wherein the first flange is disposed along one of the one or more cable dividers disposed furthest to one side of the primary base, wherein the second flange is disposed along one of the one or more cable dividers disposed furthest to the opposite side of the primary base from the first flange.

Abstract: The systems and methods disclosed relate to arc resistant medium voltage motor control centers for bypass and synch transfer. A drive control system comprising: a variable frequency drive cabinet comprising a variable frequency drive; a power supply line; at least one motor control cabinet having a top portion and a bottom portion, wherein the at least one motor control cabinet is arc resistant, wherein the at least one motor control cabinet comprises: a medium voltage fused bypass controller in the top portion; a medium voltage non-fused transfer controller in the bottom portion; a reactor compartment, wherein the reactor compartment is arc resistant; wherein the variable frequency drive is coupled to the power supply line and the non-fused transfer controller, and the fused bypass controller is coupled to the power supply line.

Abstract: A demand-based load balancing function may be provided by one or more drive controllers that takes advantage of the affinity laws to linearize the control of the variable of interest (e.g., flow, pressure, etc.). Each drive controller may be set up by the user simply inputting a few values into the drive controller. Based on the inputs, the drive controllers may interpolate control points using an assumed linear relationship between the variable to be controlled (e.g., pressure) and the current driven to the pump. Feedback data from the system may be used to continually update the drive controllers so as to potentially allow them to better balance power usage to each pump.

Abstract: In accordance with presently disclosed embodiments, a hybrid power conversion system and method are provided. The hybrid power conversion system integrates multiple power sources. An isolated DC/DC converter manages power transfer between the power sources and the DC/DC converter and the power sources are connected such that a full power rating converter is not required. One of the power sources may comprise one or more battery strings, which may be selectively coupled to a DC/AC inverter. In one embodiment, the battery strings may be connected to a lead acid battery. Based on controller instructions, the isolated DC/DC converter replaces the power flow of the lead acid battery with the battery strings. In another embodiment, one or more battery strings may be selectively connected in series with a photovoltaic (PV) panel providing power to a load. When connected to the load, each of the battery strings may provide an incremental step up in power, boosting PV panel power.

Abstract: The systems and methods of the present disclosure relate to uninterruptible power supplies, more particularly, to an enclosure configured to control an uninterruptible power supply. An enclosure comprises: a top wall, a bottom wall, wherein the bottom wall is disposed parallel to the top wall, sidewalls, wherein a bottom end of each of the sidewalls is disposed along opposing sides of the bottom wall so as to be perpendicular to the bottom wall, wherein the top wall is disposed about a top end of each of the sidewalls, a communications assembly tray; one or more power fuse assembly trays; and one or more micro-switches, wherein the one or more micro-switches are disposed onto the sidewalls, wherein the one or more micro-switches are configured to secure and indicate that the communications assembly tray and the one or more power fuse trays have been secured into the enclosure.

Abstract: In accordance with presently disclosed embodiments, an all front access battery rack system using insulated bus bars is provided. In one embodiment, a battery rack system may comprise: a controller rack module aligned on a rack; a battery rack module aligned on the rack; first and second insulated bus bars aligned perpendicularly to and electrically coupling the controller rack module with positive and negative terminals of the battery rack module along a front side of the rack, wherein each insulated bus bar comprises: a conductive material comprising conductive connector ends operable to electrically engage with the controller rack module and the battery rack module; and an insulative material electrically insulating the conductive material between the conductive connectors.

Abstract: The systems and methods disclosed relate to arc resistant medium voltage motor control centers. A drive control system comprises a variable frequency drive cabinet comprising a variable frequency drive; a power supply line; and at least one motor control cabinet having a top portion and a bottom portion, wherein the at least one motor control cabinet comprises: a medium voltage fused bypass controller in the bottom portion; a medium voltage non-fused transfer controller in the top portion; a first door disposed within the bottom portion; a second door disposed within the top portion; and an air vent, wherein the air vent is disposed in the first door, wherein the first door, the second door, and the air vent are arc resistant; wherein the variable frequency drive is coupled to the power supply line and the non-fused transfer controller and the fused bypass controller is coupled to the power supply line.

Abstract: Disclosed embodiments are directed to a technique to remove DC offset from current measurement signals through shunt resistors in digital signal processing for current reconstruction when using discontinuous pulse width modulation (DPWM). Such measurements regarding current are pertinent to a feedback loop used for a system including a DC-link capacitor, inverter, and motor. A method of removing DC offset comprises: determining a three-phase output current signal of an inverter, wherein the inverter is coupled to a motor and a power supply; producing a voltage signal based on the three-phase output current signal and the resistances of one or more shunt resistors disposed in the inverter; applying an analog gain circuit to the voltage signal; processing the voltage signal with an analog-to-digital converter (ADC); applying a DC offset corrector to the voltage signal; and performing current reconstruction on the voltage signal to produce a continuous current signal.

Abstract: An active multi-module switching (MMS) system provides at least Tier-III level reliability to a data center using a UPS system with only N+1 redundancy. Only one additional UPS module is provided over the total number of UPS modules required to fully power the loads. The active MMS system includes a controller, a control circuit, and a number of distribution units each having electrically operated circuit breakers and sensor components. The active MMS system operates to control the switching components on each of the UPS modules as well as to selectively connect/disconnect individual UPS modules from MMS operation. This allows for disconnection of a UPS module from the critical load bus whenever maintenance on the UPS module is required.