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WO/2012/061055 |
A method includes controlling multiple networked input-parallel / output-parallel inverters of a fuel cell system as a single inverter assembly by a master controller. A fuel cell system includes a plurality of fuel cell segments, a plur...
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WO/2012/061221 |
An electric machine system includes an alternating current (AC) electric machine. The AC machine includes a machine housing having a machine portion and a switch portion. A stator is fixedly mounted in the machine portion of the machine ...
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WO/2012/060123 |
An objective of the present invention is to improve heat radiation performance of power circuit components which configure a power module (100), to improve heat emitting balance therewith, and to cause same to radiate heat efficiently wi...
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WO/2012/059831 |
The invention relates to a converter-engine connecting module (1) for electrically interfacing an electric or hybrid engine (13) with a converter (14), with engine- side contacts (2) and converter-side contacts (3). The connecting module...
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WO/2012/061044 |
A portable power supply apparatus is provided having reduced impedance losses. The portable power supply apparatus is comprised of: a portable housing; a battery system residing in the housing; and an inverter circuit residing in the hou...
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WO/2012/060357 |
A resonance suppression control block (12) includes a high-pass filter (13) for extracting an alternating-current component (VdcAC) of a DC link voltage (Vdc) and a gain section (14) for outputting a correction signal (Vcmp) obtained by ...
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WO/2012/061219 |
An electric machine system includes an alternating current (AC) electric machine. The AC electric machine includes a machine housing having a machine portion and a switch portion. A stator is fixedly mounted in the machine portion of the...
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WO/2012/059983 |
In order to measure input power as accurately as possible, a power source device (10) is provided with: an AC/DC converter (11) that generates an internal direct current power source from an alternating current commercial power source; a...
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WO/2012/061458 |
An electrical device has a capacitive storage element and first and second switches. The capacitive storage element and first and second switches are interconnected such that when interconnected with a direct current (dc) voltage supply ...
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WO/2012/061222 |
An electric machine system including an alternating current (AC) electric machine having a machine housing, and a plurality of switch members arranged within a switch housing. The plurality of switch members are electrically connected to...
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WO/2012/061456 |
A power converter having a first switch and a first unidirectional current device that conducts current unidirectionally. The first switch and first unidirectional current device are interconnected such that when interconnected with a dc...
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WO/2012/061223 |
An electric machine system includes an alternating current (AC) electric machine. The AC electric machine includes a machine housing having a machine portion and a switch portion. A stator is fixedly mounted in the machine portion, a rot...
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WO/2012/060250 |
A power conversion device is provided with a cascade-connected multiple single-phase power converters and a central control device that controls the multiple single-phase power converters. Each of the multiple single-phase power converte...
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WO/2012/058904 |
A centralized direct current (DC) power supply system for light-emitting diodes (LEDs) and an operation method thereof. The system includes three-phase input interfaces (Ua, Ub, Uc), power supply output interfaces, N+1 three-phase pulse ...
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WO/2012/061218 |
An electric machine system including an alternating current (AC) electric machine. The AC electric machine includes a machine housing having a machine portion and a switch portion. A stator is fixedly mounted in the machine portion of th...
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WO/2012/055438 |
A converter station (12) in a direct current power system (10) connected between an alternating current power line (30) and a direct current power line (14) comprises a transformer (18), a converter (20) equipped with converter valves of...
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WO/2012/055602 |
The invention relates to a method for pulse‑width‑modulated control of switching elements (4A-4F) in a pulse‑controlled inverter (1), wherein, in a first control mode, the pulses in successive signal periods of the control signal e...
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WO/2012/055772 |
The invention relates to a multilevel DC/AC converter (1) for producing an output voltage of varying amplitude, comprising a first DC voltage source (11) and a first voltage divider module, connected in series with the first DC voltage s...
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WO/2012/056720 |
The present invention is provided with: a circuit wherein arms formed by a first switch means and a second switch means being connected in series are connected in parallel; and a gate drive circuit that controls the switching operation o...
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WO/2012/056873 |
Provided are: a capacitor embedded between busbars, whereby it becomes possible to reduce the size of a capacitor to be used in an inverter or the like or eliminate a capacitor to be used in an inverter or the like; an electric power dev...
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WO/2012/055232 |
A power factor correction (PFC) circuit and a control method are provided. According to the commercial-frequency cycle, controlled switch devices (S1, S2) are controlled to turn on and off. During a positive half cycle of commercial freq...
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WO/2012/055435 |
A power electronic converter (30) for use in high voltage direct current power transmission and reactive power compensation comprises at least one converter limb (32). The or each converter limb (32) includes first and second DC terminal...
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WO/2012/055187 |
A lighting circuit comprises a first rectifying diode (D1), a second rectifying diode (D2), a third rectifying diode (D3), a fourth rectifying diode (D4), a first group of LEDs (LED11, …, LED1n), a second group of LEDs (LED21, …, LED...
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WO/2012/056283 |
A power supply device provided with: a transformer; a series circuit that is connected between the terminals of a commercial power supply and composed of 2 bidirectional switching elements having a rectification function and a switching ...
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WO/2012/056766 |
When a control circuit (6) detects an overcurrent, the control circuit (6) conducts ON-OFF control of a switching element that is switchable in the forward/reverse directions such that, when the control circuit (6) is in a mode wherein t...
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WO/2012/051704 |
A power module (220) for converting direct current to alternating current comprising a semiconductor switching circuit device (240), a substrate (248) onto which the switching circuit device (240) is physically and electrically coupled w...
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WO/2012/054279 |
A combined inverter-charger includes a switch or plurality of switches configured to operate at a speed that enables reduction of accompanying charger circuitry, such as boost- buck converters, and is further able to greatly reduce switc...
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WO/2012/054492 |
A system, method and apparatus are disclosed for converting DC power to AC power. The system includes a master controller that couples to a phase of a power distribution system and provides a synchronization signal, the phase of the powe...
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WO/2012/048518 |
Disclosed is a direct-current side control method for a midline arm control model of a four bridge arm photovoltaic inverter. The midline arm control model comprises a photovoltaic direct-current input (1), a stabilized voltage capacitor...
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WO/2012/049763 |
The purpose of the present invention is to efficiently heat a cooling medium retained in a compressor. A selecting unit (23) outputs, in synchronization with carrier signals, a phase (θp) and a phase (θn), which is different from the p...
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WO/2012/049706 |
The objective of the invention is to provide a three-phase AC/DC converting unit, which can suppress noises and leakage currents of harmonics, and an air handling unit using the three-phase AC/DC converting unit. There are included: a th...
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WO/2012/050050 |
The objective of the present invention is to provide an inverter module and an inverter integrated motor-driven compressor, wherein noise interference on a control circuit board can be inhibited with reliability, and filling of resin gel...
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WO/2012/050042 |
A regulator is provided with: a rectifier circuit that rectifies an alternate current outputted from output terminals for each of the phases of a three-phase AC generator (101), and lets charging current flow into a battery (B); first to...
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WO/2012/048754 |
The invention concerns an arrangement (23) for transmitting power between a DC power line (12) and an AC power line (22A, 22B, 22C) carrying a voltage having a number of phases. The arrangement comprises a number of transformers (20A, 20...
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WO/2012/046534 |
Disclosed is a power supply device which is provided with: an inverter having an output terminal group; a first transformer, which transforms alternating current power outputted from the output terminal group; a second transformer, which...
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WO/2012/047387 |
A universal-voltage discrete input circuit uses a high voltage depletion-mode field effect transistor in combination with a low-voltage, adjustable precision shunt regulator and an isolation circuit for interfacing a low voltage digital ...
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WO/2012/045543 |
The present invention relates to a voltage converter for converting a first voltage at two electric voltage terminals into a second voltage at two second electric voltage terminals, or for an inverse voltage conversion which allows great...
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WO/2012/045602 |
The invention relates to a rectifier circuit having a rectifier unit (1), said rectifier unit (1) comprising a plurality of actuatable power semiconductor switches, the DC side thereof being connected to a capacitive energy storage circu...
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WO/2012/046521 |
The purpose of the present invention is to obtain a power conversion device having a compact circuit for protecting switching elements. The power conversion device is provided with: series-connected capacitors (111, 112) connected betwee...
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WO/2012/041020 |
A single-phase five-level power converter comprises a three-phase bridge and two coupled inductors. The output terminal (1) of one of the bridge arms of the three-phase bridge is configured as one output terminal (a) of the converter. Th...
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WO/2012/043138 |
The disclosed power source system is provided with a bidirectional power control circuit (200) containing a buck-boost circuit (200a) and an inverter circuit (200b), connects a battery unit (202) and a system power source (204) by conver...
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WO/2012/044575 |
A current sense rectifier circuit comprises an assembly input terminal for receiving a current input signal having an alternating current (AC) waveform. A negative half-wave circuit generates a first input signal representative of negati...
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WO/2012/040761 |
The invention relates to an inverter (1) with a connector element (15), comprising a fixture (14) with a connector element (15) arranged thereupon and an electronic part (16) which can be plugged into said connector element, together for...
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WO/2012/043529 |
A system connection device which connects to an electric power system, and outputs power generated by connected dispersed power sources to the electric power system, wherein a receiving unit for receiving information for coping with a mo...
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WO/2012/042706 |
Provided is a power converting apparatus that can efficiently suppress switching noises. There are included a capacitor (111); switching elements (Q11a, Q11b) that are connected in parallel with the capacitor (111); and a controller (105...
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WO/2012/041544 |
A power electronic converter (10; 70) is used in high voltage direct current power transmission and reactive power compensation. The power electronic converter (10; 70) comprises at least one converter limb (12, 14; 72) including first a...
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WO/2012/041380 |
A power electronic converter (10) is used in high voltage direct current power transmission and reactive power compensation. The power electronic converter (10) comprises at least one converter limb (12, 14) including first and second te...
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WO/2012/043088 |
An electric power conversion device comprises a power semiconductor element, first and second conductor plates both bonded to the power semiconductor element, first and second insulating members, a metallic case in which the above-mentio...
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WO/2012/043465 |
Link voltages are measured by enhancing the tolerance and responsiveness to switching noises. A period drt⋅T0 is longer than a period dst⋅T0. Two intervals used by a unit voltage vector (V4) in the period drt⋅T0 are used as a first...
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WO/2012/043466 |
The output voltage from a three-phase alternating current power supply (1) is rectified by a three-phase rectification circuit (2), and the output voltage therefrom is boosted by a boost converter circuit (3). When this boosted output vo...
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