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Match Document Document Title
US20060044722 Primary panel and motor controller integration for aircraft power distribution system  
An electric power generation and distribution system includes a primary distribution panel, which preferably operates at 230 VAC, and a High Voltage Direct Current (HVDC) panel in direct...
US20060146462 Enhanced safety stop device for pools and spas  
An emergency device for safely shutting off pumps and associated equipment (loads) for pools and spas. The emergency input device is mounted within code required distance of the pools or spas and...
US20120140368 Hardware Overvoltage Disconnecting Circuit  
A hardware overvoltage disconnecting circuit wherein a DC power supply module is disconnected from a power network when the AC power network is in the state of overvoltage. The circuit includes a...
US20120229943 DEVICE FOR DETECTING A FAULT IN AN AC SUPPLY  
A device for detecting a fault in an AC supply comprises a circuit (CT, 100) for detecting a particular type of fault in an AC supply to a load (LD) and providing a corresponding output (10). A...
US20130128403 DELAY PROTECTION CIRCUIT AND ELECTRONIC DEVICE EMPLOYING THE SAME  
A delay protection circuit is installed between a power supply unit and a load of an electronic device, and includes a first capacitor and second capacitors. The delay protection circuit allows...
US20120140367 PROTECTION LOCKOUT IN SUBSTATION AUTOMATION  
Exemplary embodiments are directed to engineering of protection lockout functionality in a Substation Automation (SA) system. The system includes a breaker IED having protection-zone related...
US20080310062 MICRO-ELECTROMECHANICAL SYSTEM BASED SELECTIVELY COORDINATED PROTECTION SYSTEMS AND METHODS FOR ELECTRICAL DISTRIBUTION  
Electrical distribution systems implementing micro-electromechanical system based switching devices. Exemplary embodiments include a method in an electrical distribution system, the method...
US20140214218 ELECTRIC POWER DISTRIBUTION SYSTEM INCLUDING METERING FUNCTION AND METHOD OF EVALUATING ENERGY METERING  
An electric power distribution system is used with an electric power source. The electric power distribution system includes a first device exchanging first electric power with the electric power...
US20130139384 PHOTOVOLTAIC STRING COMBINER WITH DISCONNECT HAVING PROVISION FOR CONVERTING BETWEEN GROUNDED AND UNGROUNDED SYSTEMS  
A string combiner is provided for coupling multiple strings of series-connected photovoltaic (PV) panels in a PV array to downstream equipment, each string including positive and negative...
US20120243135 DEACTIVATION DEVICE FOR DISCONNECTING AN ELECTRICAL ENERGY SOURCE FROM A LOAD, AND CIRCUIT SYSTEM HAVING A DEACTIVATION DEVICE  
A deactivation device for disconnecting an electrical energy source from a load includes at least two one-time switches. The one-time switches become inoperative upon switching in response to the...
US20120200966 PROTECTION SYSTEM FOR AN ELECTRICAL POWER NETWORK  
A protection system is provided for an electrical power network. The system has one or more circuit breaker arrangements which on activation isolate electrical faults within the network, and one...
US20060268482 Equipment management methods and systems  
An equipment management system. A detector detects at least one protector in a detection field thereof utilizing wireless communication techniques. A database stores an equipment rule for an area....
US20060274467 Front Electronic Equipment System  
A front electronic equipment system includes a load electrical parts provided at a front portion of a vehicle, a front electrical control unit which receives a control signal for controlling the...
US20120033338 MONITORING DEVICE FOR AN ELECTRICAL POWER SOURCE AND LOAD  
Disclosed is a device for monitoring an electrical power flow between a power source and a load. The monitoring device includes a monitoring module configured to monitor one or more aspects of the...
US20050180075 Maintaining minimum electrical service while preventing a blackout  
This invention will instantly disconnect large blocks of electrical load from an overloaded power system grid while maintaining approximately ½ of a customers electrical circuits energized. This...
US20050141154 Power averaging and power load management system  
A power and load management system for a recreational vehicle provides a power distribution panel comprising a distribution controller operative to generate distribution control signals including...
US20130148245 LINE ISOLATORS FOR ISOLATING MULTIPLE FAULTS IN EMERGENCY SYSTEMS  
A system for isolating faults in emergency systems, the system including first and second power lines, and one or more zones. Each zone has first and second zone line isolators, the first zone...
US20130216866 SECONDARY BATTERY PACK OF EMBEDDED TYPE WITH NOVEL STRUCTURE  
A secondary battery pack is provided. The secondary battery pack has a structure in which a protection circuit module (PCM) is mounted to a top of a plate-shaped battery cell having electrode...
US20130057989 METHOD FOR LIMITING THE GENERATOR VOLTAGE OF A PHOTOVOLTAIC INSTALLATION IN CASE OF DANGER AND PHOTOVOLTAIC INSTALLATION  
A protection system configured to couple between a generator that has a number of partial strings and an inverter includes a control device, and a series-connection switching device configured to...
US20060245129 Latching solid state relay  
A latching relay coupled SSR circuit provides a simple means of achieving a true latching solid-state relay in both two or three input terminal configurations, with two output terminals switched...
US20120050929 METHOD FOR FEEDING A MULTIPHASE ELECTRIC NETWORK AND ASSOCIATED CIRCUIT ARRANGEMENT  
According to embodiments of the invention, a method is provided for the feeding of a multiphase electric network by means of an electric generator of a regenerative energy source that is connected...
US20070109701 Adaptive relaying controlled by autonomous event detection  
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...
US20110149453 FAULT CIRCUIT INTERRUPTER DEVICE  
In one embodiment, there is a fault interrupter device comprising at least one sensor comprising at least one first transformer having at least one outer region forming an outer periphery and at...
US20090111294 BUS BAR TO PRINTED CIRCUIT BOARD INTERFACE FOR ELECTRIC AND HYBRID ELECTRIC VEHICLES  
A bus bar and a related electrical assembly for an electric traction system of a vehicle are provided. The bus bar includes an electrically conductive body configured for coupling to an electrical...
US20080225452 Advanced Feeder Architecture With Automated Power Restoration  
A method and apparatus for restoring power to loads connected to a feeder powered by a power source. The feeder is provided with a plurality of switching devices and a master electronic device...
US20120327541 DIGITAL PROTECTION RELAY AND OPERATION METHOD THEREOF  
The present disclosure relates to a digital protection relay and an operation method of the digital protection relay for enhancing the operation of a frequency change rate relay element (81R)...
US20140254053 TRAVELLING-WAVE BASED FAULT PROTECTION OF HIGH-VOLTAGE TRANSMISSION LINES  
An improved method of fault detection in a high-voltage direct current (HVDC) power transmission line is provided. The fault detection is based on fault-induced travelling waves. The method...
US20110170219 Islanded Power System with Distributed Power Supply  
An islanded power system with a distributed power supply includes a system abnormality detection unit, which outputs an abnormality detection signal when an abnormality in a commercial system is...
US20130003237 HIGH VOLTAGE INTERLOCK CIRCUIT UTILIZING SERIAL COMMUNICATIONS  
The system provides for controlling the connection of electrical power sources to electrical loads installed on a motor vehicle and limiting exposure of personnel to relatively high electrical...
US20100149708 INTEGRATED ELECTRIC POWER DISTRIBUTION CENTER FIRE PROTECTION SYSTEM  
An electrical distribution control system for a vehicle such as an aircraft may be provided fire-suppression protection without requiring that all control elements are located in a...
US20080253048 Protection circuit and electronic device  
A protection circuit has: a microcomputer that, on receiving a signal indicating that a power supply circuit connected to it is in an abnormal state, transmits a first protection signal to thereby...
US20050254191 Inverter control methodology for distributed generation sources connected to a utility grid  
The present invention provides an improved control methodology for maximum power point tracking (MPPT), anti-islanding, and output current regulation for distributed generation sources connected...
US20130308235 METHOD FOR ELIMINATING A FAULT ON A HIGH-VOLTAGE DC LINE, SYSTEM FOR TRANSMITTING AN ELECTRIC CURRENT VIA A HIGH-VOLTAGE DC LINE, AND CONVERTER  
In order to be able to eliminate a fault on a high-voltage DC line with an AC voltage supply system which is connected via a self-commutated converter in a reliable manner with a comparatively low...
US20120039006 Compressor Protection And Grid Fault Detection Device  
A compressor monitoring system includes current and voltage monitors, current and voltage averaging modules, a control module, and a switch. The current monitor measures a current drawn by a motor...
US20140078628 POWER DISTRIBUTION SYSTEMS AND METHODS OF OPERATING A POWER DISTRIBUTION SYSTEM  
A power distribution system includes a first circuit protection device and a second circuit protection device coupled to the first circuit protection device downstream of the first circuit...
US20070297111 LOW FREQUENCY SWITCH  
When a generator shuts down intentionally or un-intentionally the low frequency switch disconnects a load from a generator before the output frequency of the generator drops below a preset...
US20070133139 Tracking and fault communication for DC power supply modules  
A plurality of DC power supply modules have track pins interconnected for tracking of output voltages of the modules during power-up and normal power-down. Each module pulls down its track pin...
US20150116875 SAFETY DEVICE FOR A HIGH-VOLTAGE SYSTEM AND METHOD FOR SAFEGUARDING A HIGH-VOLTAGE SYSTEM  
The invention relates to a safety device for a high-voltage system, having a coupling device which switchably couples high-voltage components of the high-voltage system to external components, and...
US20120182655 Methods and Systems Involving Monitoring Circuit Connectivity  
A circuit protection system includes a first current sensing device operative to measure a current of a first phase of a voltage source, a second current sensing device operative to measure a...
US20140192448 POWER SWITCHING ARRANGEMENT  
A circuit protection system for a power panel is disclosed. The circuit protection system includes a transistor connected in a channel of a power panel, the transistor connected between return...
US20100259859 METHOD OF ENSURING THE COORDINATED ARC FAULT PROTECTION IN A HEIRARCHIAL POWER DISTRIBUTION SYSTEM  
A coordinated arc fault protection scheme in a hierarchical power distribution system is disclosed. The methods according to embodiments of the present invention may be considered an “event and...
US20070064361 Terminal table unit and method of controlling same  
A terminal table unit is connected to a DC power source and a plurality of loads and serves to receive DC power from a DC power source and to distribute the received power to these loads. The...
US20100142108 NETWORK UNIT INCLUDING NETWORK TRANSFORMER AND NETWORK PROTECTOR  
A network unit includes an enclosure having first and second compartments, plural input terminals, and a primary switch having an input and an output, the input being electrically connected to the...
US20060044721 Power control interrupt management  
A solid state power control includes a sensor to detect when the power control is not connected to a power source. Disconnecting the power source turns off an output stage in the power control. If...
US20090228223 POWER LINE COMMUNICATION BASED AIRCRAFT POWER DISTRIBUTION SYSTEM WITH REAL TIME WIRING INTEGRITY MONITORING CAPABILITY  
A power line communication-based aircraft power distribution system may allow for both power line communication (PLC) technology and spread spectrum time domain reflectometry (SSTDR) technology to...
US20130120887 PROTECTION DEVICE FOR LITHIUM BATTERY ASSEMBLY  
A protection device for battery assembly includes a battery unit having multiple secondary Lithium batteries and the battery unit is electrically connected with a detection-control unit which is...
US20140254052 DISPLAY UNIT CONFIGURED TO DISPLAY TRIP INFORMATION AND CIRCUIT INTERRUPTER INCLUDING THE SAME  
A display unit is configured for use with a circuit interrupter which outputs a trip notification, trip information, and direct current power to the display unit The display unit comprises: a...
US20140240880 COORDINATED CONTROL METHOD FOR POWER DISTRIBUTION SYSTEM WITH DC BUS ELECTRIFICATION SCHEME AND APPARATUS THEREOF  
The present invention discloses a coordinated control method for power distribution system with DC bus electrification scheme and apparatus thereof. The method comprises: detecting what kind of...
US20060158806 Single power source for serially connectable devices  
There is disclosed a serially connectable device (200) for acting as a master device to control power usage by itself and one or more other serially connectable devices comprising a power input...
US20090316317 Power plate for driving at least one robot  
A power plate for driving a robot is provided herein. The power plate is capable of driving the robot in a stable manner. This stable drive of the robot is achieved by preventing a whole system...

Matches 1 - 50 out of 83 1 2 >