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21. 发明申请

WO2020212300A1 HANDLING OF LOST TIME SYNCHRONIZATION IN A SUBSTATION NETWORK 审中-公开
公开(公告)号：WO2020212300A1
公开(公告)日：2020-10-22
申请号：PCT/EP2020/060373
申请日：2020-04-14
申请人： ABB POWER GRIDS SWITZERLAND AG
发明人： BYMAN, Carl , SALJ, Johan , PIND, Henrik
IPC分类号： H02H1/00 , H02H7/26 , H04J3/06
摘要： There is provided mechanisms for handling time shifted data streams in a substation network (100a, 100b). A method is performed by an IED (200). The method comprises receiving (S102) a respective data stream from at least two time synchronized data sources (120a, 120b, 120c) in the substation network (100a, 100b). The method comprises blocking (S104), upon detecting a time shift between the data streams resulting from one of the data sources (120a, 120b, 120c) losing its time synchronization and until a configured time amount has expired, a protection function (130) in the substation network (100a, 100b) from acting based on the data streams.

22. 发明申请

WO2020193180A1 REVERSE CONDUCTING INSULATED GATE POWER SEMICONDUCTOR DEVICE HAVING LOW CONDUCTION LOSSES 审中-公开
公开(公告)号：WO2020193180A1
公开(公告)日：2020-10-01
申请号：PCT/EP2020/056779
申请日：2020-03-13
申请人： ABB POWER GRIDS SWITZERLAND AG
发明人： PAPADOPOULOS, Charalampos , RAHIMO, Munaf , CORVASCE, Chiara
IPC分类号： H01L29/739 , H01L29/08 , H01L29/06 , H01L29/861
摘要： A reverse conducting insulated gate power semiconductor device is provided which comprises a plurality of active unit cells (40) and a pilot diode unit cell (50) comprising a second conductivity type anode region (51) in direct contact with a first main electrode (21) and extending from a first main side (11) to a first depth (d1). Each active unit cell (40) comprises a first conductivity type first source layer (41a) in direct contact with the first main electrode (21), a second conductivity type base layer (42) and a first gate electrode (47a), which is separated from the first source layer (41a) and the second conductivity type base layer (42) by a first gate insulating layer (46a) to form a first field effect transistor structure. A lateral size (w) of the anode region (51) in an orthogonal projection onto a vertical plane perpendicular to the first main side (11) is equal to or less than 1 µm. On a first lateral side surface of the anode region (51) a first insulating layer (52a) is arranged and on an opposing second lateral side surface of the anode region (51) a second insulating layer (52b) is arranged. And a distance between the first insulating layer (52a) and the second insulating layer (52b) is equal to or less than 1 µm, the first insulating layer (52a) extending vertically from the first main side (11) to a second depth (d2), and the second insulating layer (52b) extending vertically from the first main side (11) to a third depth (d3), wherein the first depth (d1) is less than the second depth (d2) and less than the third depth (d3).

23. 发明申请

WO2020182835A1 ARRANGEMENT TO COOL A COIL 审中-公开
公开(公告)号：WO2020182835A1
公开(公告)日：2020-09-17
申请号：PCT/EP2020/056393
申请日：2020-03-10
申请人： ABB POWER GRIDS SWITZERLAND AG
发明人： WANG, Yong , TEPPER, Jens , WENG, Jiahua
IPC分类号： H01F27/08 , H01F27/02 , H01F27/28 , H01F27/32 , H01F27/22
摘要： An arrangement to cool a coil (2), comprising an enclosure (3), which at least partially incorporates or houses the coil (2), and a device (4, 4') to create an airflow (5) to cool the coil (2), wherein the coil (2) comprises at least one cooling channel (6) to guide the airflow (5) through the windings (7) of the coil (2) and an outer air duct (8) lying radially in the outer circumference area of the coil or lying radially inside below an outer part (8a) of the coil, characterized in that an air guidance plate (9) is placed at or near one longitudinal end of the outer air duct (8) and/ or of the coil (2) to prevent bypasses of the airflow (5) and/ or to block at least partially the airflow (5) through and/or along the outer air duct (8), achieves the object to cool a coil, especially a coil of a transformer, in an efficient manner using space-saving means.

24. 发明申请

WO2020182287A1 LEAKAGE CURRENT BASED REMOTE MONITORING DEVICE AND METHOD FOR DISCONNECTOR DEVICES 审中-公开
公开(公告)号：WO2020182287A1
公开(公告)日：2020-09-17
申请号：PCT/EP2019/056017
申请日：2019-03-11
申请人： ABB POWER GRIDS SWITZERLAND AG
发明人： MADONNA, Gian-Luigi , KORNMANN, Xavier , NEESER, Daniel , BERTOLI, Stefano , SOTIROPOULOS, Ektor , SCHICK-PAULI, Martin , FACH, Alexander , SOMMER, Philipp , MARET, Yannick
IPC分类号： H02J13/00 , G01R19/25 , G01R31/02
摘要： Disclosed is a leakage current measuring device for a grid protection system protecting a power distribution or transmission grid from damage in case of a power surge, the grid protection system including a disconnector device and a surge arrester connected in series along a grounding path, the grounding path connecting a phase of a power distribution or transmission grid through the surge arrester and the disconnector device to ground, the disconnector device being configured for being activated in case of an overload condition, thereby disconnecting the surge arrester. The leakage current measuring device comprises a leakage current sensor for measuring a leakage current IL flowing along the grounding path, the leakage current IL being indicative of the electrical connection status of the disconnector device. The electrical connection status is one of an activated and an inactivated status of the disconnector device.

25. 发明申请

WO2020178390A1 ELECTRIC TRANSFORMER ASSEMBLY, METHOD FOR DETERMINING A THERMAL STATE OF AN ELECTRIC TRANSFORMER, AND DETERMINATION DEVICE 审中-公开
公开(公告)号：WO2020178390A1
公开(公告)日：2020-09-10
申请号：PCT/EP2020/055883
申请日：2020-03-05
申请人： ABB POWER GRIDS SWITZERLAND AG
发明人： ISLER, Stephane , PORCELLATO, Valter
IPC分类号： H01F27/08 , H01F27/10 , H01F27/40 , H02H7/04 , G01K7/42
摘要： A transformer assembly (100) comprises an electric transformer (10), a temperature sensor system (20), and a computation unit (30) for determining a thermal state of the electric transformer (10). The electric transformer (10) includes a cooling device (40) having at least one liquid coolant channel (41) arranged such as to absorb exhaust heat from the electric transformer (10) by means of a liquid coolant that is passed through the liquid coolant channel (41), a heat spreader (42) in thermal communication with the liquid coolant channel (41) for transferring heat from the liquid coolant to a heat dissipation surface (43) of the heat spreader (42), and an air blower (45) arranged and configured to effect an airstream (46) along the heat dissipation surface (43) of the heat spreader (42). The temperature sensor system (20) includes an entering coolant sensor (21) arranged for measuring an entering coolant temperature of the liquid coolant upstream of the cooling device (40) and for providing an entering coolant temperature signal (S1), a leaving coolant sensor (22) arranged for measuring a leaving coolant temperature of the liquid coolant downstream of the cooling device (40) and for providing a leaving coolant temperature signal (S2), an entering airstream sensor (23) arranged for measuring an entering airstream temperature of the airstream (46) upstream of the heat spreader (42) and providing an entering airstream temperature signal (S3), and a leaving airstream sensor (24) arranged for measuring a leaving airstream temperature of the airstream (46) downstream of the heat spreader and providing a leaving airstream temperature signal (S4). The computation unit (30) is configured to receive the sensor signals (S1, S2, S3, S4) from the temperature sensor system (20), and configured to determine a thermal state of the transformer (10), in particular of the cooling device (40) or parts thereof, by relating the sensor signals (S1, S2, S3, S4) to each other.

26. 发明申请

WO2020174011A1 ELECTRICAL BUSHING HAVING A TERMINAL ADAPTER, AND METHOD FOR MOUNTING A TERMINAL ADAPTER TO AN ELECTRICAL BUSHING 审中-公开
公开(公告)号：WO2020174011A1
公开(公告)日：2020-09-03
申请号：PCT/EP2020/055044
申请日：2020-02-26
申请人： ABB POWER GRIDS SWITZERLAND AG
发明人： CZYZEWSKI, Jan , GRAAS, Fredrik , SJOBERG, Peter , KUTORASINSKI, Kamil , MAURER, Victoria , GLOOR, Marco
IPC分类号： H01R13/53 , H01F27/04 , H02G15/064
摘要： An aspect of the present disclosure provides a terminal adapter for an electrical bushing having an inner tube and an inner terminal. The terminal adapter comprises a first radial surface configured for applying a radial clamping load to a second radial surface of the inner tube, a first axial surface configured for axially supporting the inner terminal, and an outer terminal fastener configured for applying an axial load between an outer terminal and the inner terminal, wherein the terminal adapter provides a load path from the first axial surface to the outer terminal fastener. Further aspects provide an electrical bushing having a terminal adapter according to the above aspect, wherein the electrical bushing is a medium- or high- voltage electrical bushing, and a medium- or high-voltage device having said electrical bushing, particularly a medium- or high-voltage transformer. A yet further aspect of the present disclosure further provides a method for mounting a terminal adapter according to the above aspect to an electrical bushing.

27. 发明申请

WO2020173550A1 STATCOM WITH INTEGRATED ENERGY STORAGE 审中-公开
公开(公告)号：WO2020173550A1
公开(公告)日：2020-09-03
申请号：PCT/EP2019/054717
申请日：2019-02-26
申请人： ABB POWER GRIDS SWITZERLAND AG
发明人： BERTOLDI, Federico , IBANEZ, Marta , BAI, Haofeng , MOHANAVEERAMANI, Aravind , NAMI, Alireza
IPC分类号： H02J3/18 , H02J3/32
摘要： A STATCOM arrangement (10) comprises a STATCOM ( 1 ) configured to be connected to a three-phase AC grid ( 11 ). The STATCOM comprises a plurality of converter arms ( 3 ), each converter arm comprising a plurality of series connected converter cells ( 5 ). The STATCOM arrangement also comprises an Energy Storage System, ESS, ( 20 ) comprising an energy storage, ES, ( 21 ) and energy storage switches (S ES ) for connecting the ES to the grid ( 11 ) via the converter arms. The plurality of converter arms comprises a plurality of intermittently usable chain-links of the series connected converter cells. Each of said chain-links is used for STATCOM operation during a part of a fundamental operation cycle of the STATCOM. The energy storage switches connect the ES to at any point in time via one of said chain- links which is not used for the STATCOM operation at said time point.

28. 发明申请

WO2020173549A1 STATCOM ARRANGEMENT COMPRISING ENERGY STORAGE 审中-公开
公开(公告)号：WO2020173549A1
公开(公告)日：2020-09-03
申请号：PCT/EP2019/054700
申请日：2019-02-26
申请人： ABB POWER GRIDS SWITZERLAND AG
发明人： SVENSSON, Jan , MOHANAVEERAMANI, Aravind , IBANEZ, Marta
IPC分类号： H02J3/18 , H02J3/32 , H02M7/483
摘要： The present disclosure relates to a StatCom arrangement (1). The StatCom arrangement comprises a Modular Multilevel Chain-Link Converter (MMC) (2) arranged to be connected to a high-voltage AC power grid (8) and act as a Static Synchronous Compensator(StatCom). The StatCom arrangement also comprises an Energy Storage System(ESS) (3) comprising a Voltage-Source Converter (VSC) (4) and an energy storage (ES) (5), and arranged to connect the ES to the power grid via the VSC. The StatCom arrangement also comprises a coordinated controller (6) configured to control both the MMC and the ESS based on the same reference.

29. 发明申请

WO2020142216A1 CIRCUIT BREAKER ENCLOSURE HAVING INTEGRATED PASS-THROUGH 审中-公开
公开(公告)号：WO2020142216A1
公开(公告)日：2020-07-09
申请号：PCT/US2019/067198
申请日：2019-12-18
申请人： ABB POWER GRIDS SWITZERLAND AG
发明人： VLADUCHICK, Paul Jason , ARISTIZABAL, Mauricio , CUPPETT, Matthew D.
IPC分类号： H01H9/52 , H01H9/30 , H01H33/53 , H01H33/56 , H01H33/64 , H02B13/045
摘要： An enclosure of a circuit breaker that includes an interior region and a pass-through. The interior region can be sized to house a circuit interrupter and a dielectric insulating medium. The pass-through can include a pathway having a first open end and a second open end, the first and second open ends being in direct fluid communication with each other through the pathway. The first and second open ends can be secured to the enclosure such that the pass-through is integral to the enclosure, such as, for example, being part of a monolithic structure or constructed to form a unitary body. Additionally, the pathway may not be in direct fluid communication with the interior region of the enclosure. Further, the pass-through can be offset from, or extend directly into, the interior region of the enclosure.

30. 发明申请

WO2020109299A1 BUSHING FOR A POWER SYSTEM 审中-公开
公开(公告)号：WO2020109299A1
公开(公告)日：2020-06-04
申请号：PCT/EP2019/082579
申请日：2019-11-26
申请人： ABB POWER GRIDS SWITZERLAND AG
发明人： ERIKSSON, Göran
IPC分类号： H01B17/28
摘要： A bushing (1) for a power system, comprising: a conductor (3), and a condenser core (5), wherein the condenser core (5) comprises a dielectric sheet (11) and a plurality of disjoint regions (9a, 9a, 9c) of electrically conducting material (9) provided on the dielectric sheet (11), wherein the dielectric sheet (11) and the electrically conducting material (9) form a wound structure around the conductor (3), wherein in at least one region (9b) the electrically conducting material (9) is a semiconducting material, wherein the semiconducting material extends more than one turn around the conductor (3), whereby the at least one region (9b) has overlapping edges (15, 17) in the radial direction, and wherein the dielectric sheet (11) extends between the overlapping edges (15, 17) whereby a capacitance is formed between the overlapping edges (15, 17), which capacitance is partly defined by an overlap length of the overlapping edges (15, 17) and which capacitance forms part of a resonance circuit of the at least one region (9b), wherein the overlap length is such that the resonance circuit has a resonance frequency contained in a very fast transient, VFT, spectrum.

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