Matches 1 - 30 out of 30


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US20110141630 SUPERCAPACITOR LEAK DETECTION AND MANAGEMENT  
Some embodiments of the present invention provide a system that facilitates the operation of a supercapacitor. During operation, the system measures an electrical parameter of the supercapacitor...
US20150188306 DETECTION OF CAPACITOR BANK FUSE/SWITCH FAILURE  
A method for detecting the operating condition of each phase of a three-phase capacitor bank in a power distribution system, including the steps of, if the RMS neutral current is above the bank...
US20110235218 CONTROL CIRCUIT AND MOTOR DEVICE  
A control circuit has an input terminal for receiving an input voltage, an energy accumulator for storing electric energy from the input terminal and supplying power to an electrical load, and an...
US20100296204 Control device of power supply circuit  
An ECU executes a program including a step of turning on an SMRP and an A-SMRP if an ignition switch is turned on; a step of detecting voltage values VB(1) and VB(2) of running batteries when VH...
US20130107399 HARMONIC PROTECTION METHOD FOR CAPACITOR BANK  
A harmonic protection method for a capacitor bank uses a harmonic protection apparatus, which includes a CPU unit, a current and voltage sampling unit, and a protection device. The CPU unit...
US20060126234 Energizing capacitor loads  
A method for providing means for energizing a capacitive load. The capacitive load is connected to an alternating current power source by using a connecting device. The connecting device comprises...
US20060092583 Switch array and power management system for batteries and other energy storage elements  
In one embodiment, an electronic device comprises a plurality of electrical switches and a plurality of energy storage elements arrayed relative to one another such that the energy storage...
US20090021871 Energy Storage Pack Having Overvoltage Protection and Method of Protection  
An energy storage pack specially adapted for a hybrid electric vehicle, the energy storage pack having overvoltage protection and a method of protecting the same. In particular, the energy storage...
US20130170261 SELF-DISCHARGE CONTROL FOR AN EMI FILTER CAPACITOR  
An independent bleeding integrated circuit device is provided to replace the bleeding resistor for an EMI filter capacitor, to establish a discharge path between the two terminals of the EMI...
US20070127169 Integrated circuit with configurable bypass capacitance  
An integrated-circuit die includes a bypass capacitance shared between two or more circuit blocks. The bypass capacitance is selectively connected to whichever of the circuit blocks is active...
US20130188283 PROTECTION MANAGEMENT OF SUPER CAPACITATORS  
A method for protecting a super capacitor includes monitoring a charge level of the capacitor, monitoring a temperature of the capacitor, discharging the capacitor when the temperature is above a...
US20130050878 DIFFERENTIAL TEMPERATURE MONITORING OF ELECTRICAL DEVICES  
Systems, methods and devices for monitoring temperature are presented herein. A method of monitoring temperature in a system, such as a capacitor bank, is disclosed. The method may include:...
US20060215333 Conduction terminal and adapter for conduction terminal  
In a current conducting terminal in contact with the positive electrode of a battery (A) and with the negative electrode of a battery (B) in order to conduct current between the two batteries (A),...
US20150188310 FUSE ELEMENT  
A fuse element and a method for manufacturing the same are provided whereby the fuse element contains an active response part which is formed by an elongated fuse metal strip having at least four...
US20090231764 Capacitor Bank Monitor and Method of use Thereof  
A capacitor bank monitor apparatus for monitoring a state of a common ground connected to a capacitor bank comprises a sensor that that can be coupled to the common ground for collecting...
US20130128393 Method And Arrangement For Capacitor Bank Protection  
A method for protecting against a failure within a multi-phase capacitor bank including a plurality of capacitor units each including a plurality of capacitor elements connected to each other,...
US20120147505 CAPACITANCE CHECK AND VOLTAGE MONITORING CIRCUIT FOR USE WITH A CIRCUIT PROTECTION DEVICE  
A circuit protection device includes a plasma gun, at least one capacitor communicatively coupled to the plasma gun, and a monitoring circuit communicatively coupled to the at least one capacitor....
US20150194273 CAPACITIVE ENERGY-STORAGE FOR A MOBILE WORKING MACHINE  
A capacitor module includes a capacitor element (101), a first voltage terminal (102) connected to a first pole of the capacitor element, and a second voltage terminal (103) connected to a second...
US20100207460 Apparatus and method for motor driven appliance energy conservation  
An apparatus and method for substantially reducing the electrical energy consumption of a.c. induction motor-driven appliances by connecting a database predetermined capacitance in parallel with...
US20100226049 Systems and Methods for Protecting a Series Capacitor Bank  
Systems and methods for protecting a series capacitor bank are provided. According to one exemplary embodiment of the invention, there is disclosed a capacitor protection circuit. The capacitor...
US20130252039 ELECTRICAL BYPASS ELEMENT, IN PARTICULAR FOR STORAGE CELLS OF AN ENERGY STORAGE DEVICE  
An electrical bypass element, suitable for bypassing defective storage cells in energy storage devices includes two electrical conductors between which is formed a layer sequence with at least one...
US20050146815 Electrical, transmission/substation/distribution shunt capacitor switching and control system with integrated, automatically resettable, overcurrent protection  
A capacitor switch and control system for high-power transmission/distribution lines comprising a branch circuit comprising a capacitor, a capacitor switch, a capacitor control, and a sensor,...
US20090080126 Energy Storage Device Coupler and Method  
An energy storage device coupler for transferring heat away from ends of ultracapacitors of an ultracapacitor energy storage cell pack without shorting out terminals to cases of the...
US20080123225 MOTOR DRIVE APPARATUS  
A motor drive apparatus used for an industrial machine, comprising a converter (4) for converting an AC voltage supplied from an external power source to DC voltage, a capacitor bank (7) connected...
US20050201025 Capacitor coupling circuits  
The present invention utilizes voltage coupling effects of MOS capacitors to support logic operations for integrated circuits such as programmable logic array, optical sensors, comparators, and...
US20100046122 Fault protection device  
A fault protection device includes a magnetic capacitor unit and an isolation switch. The magnetic capacitor unit is capable of storing electrical energy, and has a first end and a second end. The...
US20090268354 HIGH-VOLTAGE BUS DISCHARGE WITH LOGARITHMIC SELF-PROTECTION  
Systems and methods for discharging a high-voltage bus coupled to a discharge circuit are provided. A method comprises obtaining a first voltage level of the high-voltage bus. The method further...
US20100156441 Capacitive divider device, voltage sensor, trip device module and electrical protection apparatus provided with such a device  
A multilayer capacitive divider comprising a first and second main electrode formed on the same level to apply an input voltage, and a common electrode formed on another level to supply an...
US20100277836 SMART CAPACITOR  
A smart capacitor includes a main capacitor having at least one intelligence mechanism selected from a prognostics mechanism and a high speed protection mechanism integrated within the main...
US20170047729 RELAY PROTECTION METHOD AND APPARATUS AGAINST LC PARALLEL CIRCUIT DETUNING FAULTS  
A relay protection method against LC parallel circuit detuning faults comprises the steps of: a relay protection device samples a current of a parallel LC, that is, a reactor and a capacitor, and...

Matches 1 - 30 out of 30