General Electric Company

Abb Schweiz Ag

Radoslaw Narel

Marcelo Esteban Valdes

Gregory Paul Lavoie

Thomas Frederick Papallo, Jr

Cecil Rivers

Theodore Drummond Hill, Iii

William James Premerlani

Thomas F Papallo

Geoff F Butland

James V Petrizzi

Joseph Yuan Rao

Cecil Rivers, Jr

Sriram Changali

Steven J Brennan

Rajaiah Karanam

Patrick Meagher

Drew Baigent

Krishnaiah Dayyala

Radhakrishna Yechuri

Sreekanth Reddy Katta

Anand S V Sirivella

Anupam Vinodkumar Sawhney

Marvin Herville Green

Joseph Rao

Rivers Jr Cecil

Cecil Rivers Jr

Jr Thomas Frederick Papallo

Jr Cecil Rivers

Thomas Frederick Papallo Jr

Gregory P Lavoie

Iii Theodore Drummond Hill

A charging system for use in supplying current to a power storage device includes a charging device configured to be coupled to the power storage device to perform a charging operation and a kiosk coupled to the charging device. The kiosk is configured to receive pricing data for the charging operation from the charging device, display the pricing data, enable the pricing data to be accepted, and authorize the charging device to initiate the charging operation if the pricing data is accepted.

Charging system, kiosk, and method of reserving a power charging device and supplying current to a power storage device

A method to protect a circuit having at least a first circuit breaker, and a second circuit breaker arranged upstream of said first circuit breaker, said first circuit breaker having configuration settings selectable between a normal mode and an alternate mode, the alternate mode setting including a reduced energy let-thru (RELT) mode setting having a RELT mode trip time delay. The method including determining if said first circuit breaker is configured in said RELT mode, determining a. dynamic delay time for opening said second circuit breaker, wherein said dynamic delay time is based at least in part on said RELT mode trip time delay of said first circuit breaker, and triggering said second circuit breaker to open after said dynamic delay time has elapsed.

Protection system having reduced energy let-through mode and zone selectivity

A system for charging a plurality of power storage devices includes a first charging device and at least one other charging device coupled to the first charging device to form a network. The first charging device includes a processor programmed to determine whether said first charging device possesses a network token, and if so, to determine a first charging parameter and a first priority associated with said first charging device, a second charging parameter and a second priority associated with said second charging device, and to determine a second amount of current to be at least one of received from the electrical supply or supplied to the first power storage device, based on the determined first and second charging parameters and first and second priority.

System, charging device, and method of charging a power storage device

A system for use in supplying current to a plurality of power storage devices includes a first charging device configured to supply current to a first power storage device. At least one other charging device is coupled to the first charging device to form a network and is configured to supply current to at least one other power storage device of the plurality of power storage devices. When the first charging device possesses a network token, it determines a second charging parameter associated with said second charging device, and a second amount of current to be at least one of received from the electrical supply or supplied to the first power storage device, based at least in part on said determined first and second charging parameters.

A system for use in supplying current from an electric power source to a plurality of power storage devices includes a first of a plurality of charging devices configured to supply current to a first of the plurality of power storage devices. The system also includes at least one other charging device coupled to the first charging device to form a network. The other charging device is configured to supply current to at least one other power storage device. The first charging device includes a processor programmed to determine an amount of current to be at least one of received from the electric power source and supplied to the first power storage device as a function of a number of charging devices, and enable the amount of current to be at least one of received by the first charging device and supplied to the first power storage device.

System, charging device, and method of supplying current to a power storage device

An improved method to detect and locate electrical faults is provided. A method of operating a circuit breaker in an electrical circuit configured with at least one of a first main circuit breaker at a first layer of circuit protection having a first direction of current flow, and at least one second circuit breaker downstream of said at least one first main circuit breaker having a second direction of current flow, and at least one third circuit breaker downstream of said at least one second circuit breaker having a third direction of current flow, wherein one of said at least one first, second, or third circuit breakers is in short time pick-up, is provided, and comprises steps to determine the location of the fault and adjust the trip time delay of the circuit breakers according to predetermined criteria.

Directional zone select interlock method

A method of circuit breaker control includes determining if a trip event for a circuit breaker has occurred, determining a set of redundancy parameters for the circuit breaker, and transmitting a trip signal and a shunt trip signal to the circuit breaker based on the set of redundancy parameters.

Circuit breaker control

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.

Method and system for controlling a power distribution system

A centrally controlled protection system is provided. The system includes a plurality of circuit breakers, a plurality of modules, and a central computer. Each of the plurality of breakers are in electrical communication with a respective one of the plurality of modules. The central computer is in communication with each of the plurality of modules via a network. The central computer controls the plurality of circuit breakers in either a normal mode or a reduced energy let-through mode.

Centrally controlled protection systems having reduced energy let-through mode

A method of operating a relay device, in an electrical circuit comprising first and second main circuit breakers, and a bus tie circuit breaker connecting the first and second main circuit breakers, the method comprising computing a first positive sequence current phasor for the first main circuit breaker and a second positive sequence current phasor for the second main circuit breaker computing a first positive sequence voltage phasor for the first main circuit breaker and a second positive sequence voltage phasor for the second main circuit breaker; computing a correction of the first positive sequence voltage and second positive sequence voltage to a line-to-neutral phase angle reference if there is any rotation in a potential transformer connection; determining a fault has occurred when a magnitude of a current through at least one of the first main circuit breaker or the second main circuit breaker exceeds a predetermined threshold; determining a phase angle difference by comparing the phase angle of the positive sequence current phasor with the phase angle of the positive sequence voltage phasor for both the first main circuit breaker or the second main circuit breaker having the magnitude of current determined to have exceeded the predetermined level; and determining the fault is located upstream or downstream of the first main circuit breaker or the second main circuit breaker having the magnitude of current determined to have exceeded the predetermined level, if the phase angle difference is determined to be above a predetermined amount.

Relay device and corresponding method

A method of operating a relay device, the method comprising the steps of: providing main circuit-breakers and a bus-tie-breaker connecting the main-circuit-breakers; defining a partial-differential-zone comprising a main circuit breaker and the bus-tie breaker; assigning a first value to the direction of the fault current flowing into the partial differential zone;&#x2014;assigning a second value to the direction of the fault currents flowing out of the partial-differential-zone, wherein the first value is not equal to the second value;&#x2014;comparing the values assigned to the fault currents; determining if the fault currents are flowing into the partial differential zone; and determining if at least two of the fault-currents is flowing in a different direction with respect to the partial-differential-zone wherein one of the fault currents is flowing into the partial-differential-zone and one of the fault currents is flowing out of the partial differential zone.

A revision to a Power Management Control System includes an improved waveform client/waveform server communication interface based on a first inter-process communication protocol, preferably DCOM. The first inter-process communication protocol preferably resides in the waveform application alongside an existing second inter-process communication protocol, i.e. DDE, for backwards compatibility. The improvement allows the application to operate across network segments in a more robust, reliable manner than through the first inter-process communication protocol, thus enabling the waveform server to operate effectively as an NT service and providing independent third party client software access to the waveform server waveform capture functions. The waveform application system comprises interfaces within the waveform server which are implemented by the waveform client, and sink interfaces within the waveform client which are designated for each device class and to which the waveform server fires data as changes occur in the waveform data of the preselected electronic device. A method for communicating between the waveform server and waveform client is also described.

Synthetic corn hybrid P67

Software (,) is loaded into the host computer (,) and includes an Ethernet server (,), a Modbus (DDE) server (,), an MMS server (,), and a third-party proprietary protocol server (,). Each of these servers (,, and,) allows external programs (,) running on the host and view node computers (,, and,) to access power management data from the various devices (,) in the power management control system (,). Modbus server (,) allows external programs (,) to access power management data from devices (,), which communicate using the Modbus protocol. MMS server (,) allows external programs (,) to access power management data from MMS/UCA2 compliant devices (,), which communicate using the MMS protocol. Ethernet server (,) provides for network layer TCP/IP encapsulation for communications over Ethernet networks (,) and (,). Third party server (,) allows communications between external programs (,) and device (,), which uses any proprietary protocol. Power management control system (,) implements the UCA Version 2 architecture, having an Ethernet physical layer, a Transport Control Protocol/Internet Protocol (TCP/IP) network layer, and a Manufacturing Message Specification (MMS) application layer.

Utilities communications architecture compliant power management control system

A dynamic data exchange (DDE) server (,) which allows external programs to access power management data is presented. The DDE server (,) provides a mnemonic cross reference between register items and standardized, alphanumeric parameter names. This mnemonic interface allows the user to retrieve data from a device without knowledge of the actual device register item number. The DDE server (,) is optimized for either the Modbus RTU or Ethernet protocol. The DDE server (,) acts as a link between a client requesting device data and a field device which can provide the data. The DDE server (,) communicates to the field device through communication ports and to the client via DDE or NetDDE message link. A client sends its requests to server to read/write some device registers. The server maps each request to suitable device read/write request packets and carries out the necessary transaction with device. Then it relays the result back to the client after processing and casting the collected device data to proper format. To configure the DDE server (,), the user can export and import files containing register groups and mnemonics in comma separated value format. By importing and exporting register groups and mnemonics, the user can change the firmware revision register map or mnemonics of a device class supported by the DDE server (,), change the number or types of registers or mnemonics, or add a new generic device type.

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Kensington, CT, United States of America

Radoslaw Narel