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1. 发明申请

WO2011041356A2 SYSTEM AND METHOD FOR POLYPHASE GROUND-FAULT CIRCUIT-INTERRUPTERS 审中-公开
标题翻译：用于多相接地故障电路中断器的系统和方法
公开(公告)号：WO2011041356A2
公开(公告)日：2011-04-07
申请号：PCT/US2010/050641
申请日：2010-09-29
申请人： CHEVRON U.S.A. INC. , HAMER, Paul S.
发明人： HAMER, Paul S.
IPC分类号： H02H3/34 , H02H7/26 , G01R31/08
CPC分类号： H02H7/263 , H02H3/347 , H02H3/353
摘要： A ground-fault circuit-interrupter (GFCI) system is provided that provides reliable and timely tripping of faulted circuits while minimizing so-called "nuisance" tripping. The GFCI includes a voltage unbalance detection device coupled to the main bus circuit for detecting a voltage unbalance during a fault condition. A computer processor in communication with the voltage unbalance detection device is programmed to determine when an actual fault condition exists based on a state of the voltage unbalance and certain predetermined among the fault signal generated by a GFCI unit in the main bus circuit and the fault signals generated by GFCI units in individual feeder circuits.
摘要翻译：提供了一种接地故障断路器（GFCI）系统，其提供故障电路的可靠且及时的跳闸，同时最小化所谓的“干扰” 跳闸。 GFCI包括耦合到主总线电路的电压不平衡检测装置，用于检测故障状态期间的电压不平衡。与电压不平衡检测设备通信的计算机处理器被编程为基于电压不平衡的状态以及由主总线电路中的GFCI单元生成的故障信号中的某个预定的事件来确定何时存在实际故障状况，并且故障信号由单个馈电线路中的GFCI单元产生。

2. 发明申请

WO2015080828A3 FEEDER POWER SOURCE PROVIDING OPEN FEEDER DETECTION FOR A NETWORK PROTECTOR BY SHIFTED NEUTRAL 审中-公开
标题翻译：供电电源通过转换中性点为网络保护器提供开放供电器检测
公开(公告)号：WO2015080828A3
公开(公告)日：2015-08-20
申请号：PCT/US2014063046
申请日：2014-10-30
申请人： EATON CORP
发明人： HULSE ROBERT E
IPC分类号： H02H3/32 , H02B7/06 , H02H3/16 , H02H3/353 , H02H7/04 , H02H7/22 , H02H7/26
CPC分类号： H02H3/325 , H02H3/353 , H02H7/04 , H02H7/26
摘要： A feeder power source (1) for a network power system (10) includes a network transformer (12) having a delta three-phase primary winding (18) and a three-phase secondary winding (72); a three-phase primary feeder (6) electrically connected to the delta three-phase primary winding; a three-phase secondary bus (77) electrically connected to the three-phase secondary winding; and a three-phase electrical switching apparatus (4) structured to open and close the three-phase primary feeder. A network protector (62) includes a network relay (64) and a three-phase circuit breaker (76) structured to open and close the three-phase secondary bus. A first circuit (2;20;34) is electrically connected between at least one phase of the three-phase primary feeder and ground, and is structured to unbalance shunt impedance to the three-phase primary feeder ground. A second circuit (40) detects a shift in system neutral (N) and detects that the three-phase primary feeder is opened by the three-phase electrical switching apparatus.
摘要翻译：用于网络电力系统（10）的馈电电源（1）包括具有三角三相初级绕组（18）和三相次级绕组（72）的网络变压器（12）。电连接到三角三相初级绕组的三相主馈线（6）; 电连接到三相次级绕组的三相辅助母线（77）; 以及构造成打开和关闭三相主馈线的三相电开关装置（4）。网络保护器（62）包括网络继电器（64）和被构造为打开和关闭三相辅助总线的三相断路器（76）。第一电路（2; 20; 34）电连接在三相主馈线的至少一相和地之间，并被构造成不平衡到三相主馈线地的分流阻抗。第二电路（40）检测系统中性点（N）的偏移，并且检测三相电气开关装置打开三相主馈线。

3. 发明申请

WO2015080828A2 FEEDER POWER SOURCE PROVIDING OPEN FEEDER DETECTION FOR A NETWORK PROTECTOR BY SHIFTED NEUTRAL 审中-公开
标题翻译：馈线电源为移动中性网络保护器提供开路馈电检测
公开(公告)号：WO2015080828A2
公开(公告)日：2015-06-04
申请号：PCT/US2014/063046
申请日：2014-10-30
申请人： EATON CORPORATION
发明人： HULSE, Robert E.
IPC分类号： H02H3/16 , H02H7/22
CPC分类号： H02H3/325 , H02H3/353 , H02H7/04 , H02H7/26
摘要： A feeder power source (1) for a network power system (10) includes a network transformer (12) having a delta three-phase primary winding (18) and a three-phase secondary winding (72); a three-phase primary feeder (6) electrically connected to the delta three-phase primary winding; a three-phase secondary bus (77) electrically connected to the three-phase secondary winding; and a three-phase electrical switching apparatus (4) structured to open and close the three-phase primary feeder. A network protector (62) includes a network relay (64) and a three-phase circuit breaker (76) structured to open and close the three-phase secondary bus. A first circuit (2;20;34) is electrically connected between at least one phase of the three-phase primary feeder and ground, and is structured to unbalance shunt impedance to the three-phase primary feeder ground. A second circuit (40) detects a shift in system neutral (N) and detects that the three-phase primary feeder is opened by the three-phase electrical switching apparatus.
摘要翻译：用于网络电力系统（10）的馈电电源（1）包括具有三角形三相初级绕组（18）和三相次级绕组（72）的网络变压器（12））; 与三角形三相初级绕组电连接的三相主馈线（6）电连接到所述三相次级绕组的三相次级总线（77）和构造成打开和闭合三相主馈电线的三相电气开关设备（4）。网络保护器（62）包括网络继电器（64）和被构造为打开和闭合三相辅助总线的三相断路器（76）。第一电路（2; 20; 34）电连接在三相主馈线的至少一个相与地之间，并且被构造成使对三相主馈电地的并联阻抗不平衡。第二电路（40）检测系统空档（N）的偏移并检测三相主开关装置打开三相主开关装置。

4. 发明申请

WO2016049856A1 一种并网逆变器安全检测装置及方法审中-公开
公开(公告)号：WO2016049856A1
公开(公告)日：2016-04-07
申请号：PCT/CN2014/087957
申请日：2014-09-30
申请人：阳光电源股份有限公司
发明人：耿后来 , 徐清清 , 邢军 , 李浩源 , 梅晓东
IPC分类号： H02J3/38
CPC分类号： H02J3/383 , G01R31/025 , G01R31/40 , G01R31/42 , G01R31/44 , H02H3/332 , H02H3/34 , H02H3/353 , H02J3/14 , H02J3/46 , H02S40/32 , H02S40/34 , H02S50/10 , Y02E10/563
摘要：一种并网逆变器安全检测装置，应用于光伏逆变系统中，该装置包括：电压检测电路、滤波电路、比较电路和控制器；电压检测电路，用于检测N点与地之间、或三相电网的任一相的第一端与地之间的电压；滤波电路，用于滤除电压检测电路检测的电压中的交流成分，保留直流成分的电压；比较电路，用于将直流成分的电压与预设电压值进行比较，将比较结果发送给控制器；控制器，用于根据比较结果判断逆变器输出端的交流侧绝缘正常，反之则判断绝缘异常。在硬件上使用检测的电压检测电路、滤波电路、比较电路和控制器就可以判断出交流侧的绝缘是否正常，硬件实现简单，并且实现简单。通过检测r、s、t和N对地的电压便可以判断交流侧对地是否绝缘性良好。

5. 发明申请

WO2014018909A1 SYSTEM FOR DETECTING A FALLING ELECTRIC POWER CONDUCTOR AND RELATED METHODS 审中-公开
标题翻译：用于检测下降电力导体的系统及相关方法
公开(公告)号：WO2014018909A1
公开(公告)日：2014-01-30
申请号：PCT/US2013/052365
申请日：2013-07-26
申请人： SAN DIEGO GAS & ELECTRIC COMPANY , O'BRIEN, William , UDREN, Eric A.
发明人： O'BRIEN, William , UDREN, Eric A.
IPC分类号： H02H7/22
CPC分类号： H02H7/263 , H02H3/02 , H02H3/04 , H02H3/26 , H02H3/265 , H02H3/32 , H02H3/325 , H02H3/353 , H02H3/38 , H02H3/422 , H02H3/44 , H02H3/46 , H02H3/48 , H02H7/261 , H02H7/28 , Y02E60/728 , Y04S10/265 , Y10T307/826 , Y10T307/858 , Y10T307/865
摘要： Methods and systems for detecting a falling power line in a power transmission or distribution system are described. Electrical measurements at various points in the power distribution system are used to detect changes in a power line indicating that the conductor has broken or become disconnected. Upon detection, control mechanisms are used to deenergize the conductor while the conductor is falling and/or before it contacts the ground.
摘要翻译：描述用于检测输电或配电系统中的下降电力线路的方法和系统。电力分配系统中的各个点的电气测量用于检测电力线路中的变化，指示导体断开或断开。检测时，控制机构用于在导体下降和/或接触导体之前对导体断电。

6. 发明申请

WO2011041356A3 SYSTEM AND METHOD FOR POLYPHASE GROUND-FAULT CIRCUIT-INTERRUPTERS 审中-公开
标题翻译：多相接地故障电路中断系统与方法
公开(公告)号：WO2011041356A3
公开(公告)日：2011-07-21
申请号：PCT/US2010050641
申请日：2010-09-29
申请人： CHEVRON USA INC , HAMER PAUL S
发明人： HAMER PAUL S
IPC分类号： H02H3/34 , G01R31/08 , H02H7/26
CPC分类号： H02H7/263 , H02H3/347 , H02H3/353
摘要： A ground-fault circuit-interrupter (GFCI) system is provided that provides reliable and timely tripping of faulted circuits while minimizing so-called "nuisance" tripping. The GFCI includes a voltage unbalance detection device coupled to the main bus circuit for detecting a voltage unbalance during a fault condition. A computer processor in communication with the voltage unbalance detection device is programmed to determine when an actual fault condition exists based on a state of the voltage unbalance and certain predetermined among the fault signal generated by a GFCI unit in the main bus circuit and the fault signals generated by GFCI units in individual feeder circuits.
摘要翻译：提供了一种接地故障电路断路器（GFCI）系统，其提供故障电路的可靠和及时跳闸，同时最小化所谓的“妨碍”跳闸。 GFCI包括耦合到主总线电路的电压不平衡检测装置，用于在故障状态期间检测电压不平衡。与电压不平衡检测装置通信的计算机处理器被编程为基于主总线电路中的GFCI单元产生的故障信号中的电压不平衡状态和某些预定的状态来确定何时存在实际故障状况，并且故障信号由GFCI单元在单独馈线电路中产生。

7. 发明申请

WO2007093137A1 VERFAHREN ZUM ERKENNEN EINES ERDSCHLUSSES IN EINEM GELÖSCHTEN ODER GEGENÜBER ERDPOTENTIAL ISOLIERTEN DREIPHASIGEN ENERGIEÜBERTRAGUNGSNETZ 审中-公开
标题翻译：一种用于识别接地故障IN A清除或相对于地电位隔离的三相输电网络
公开(公告)号：WO2007093137A1
公开(公告)日：2007-08-23
申请号：PCT/DE2006/000291
申请日：2006-02-14
申请人： SIEMENS AKTIENGESELLSCHAFT , CLAUS, Michael , KEREIT, Matthias , STEYNBERG, Gustav
发明人： CLAUS, Michael , KEREIT, Matthias , STEYNBERG, Gustav
IPC分类号： H02H3/16 , H02H3/353 , G01R31/08
CPC分类号： G01R31/025 , H02H3/165 , H02H3/353 , H02H3/385
摘要： Die Erfindung bezieht sich u. a. auf ein Verfahren zum Überwachen eines gelöschten oder gegenüber Erdpotential isolierten dreiphasigen Energieübertragungsnetzes (40) im Hinblick auf das Vorliegen eines Erdschlusses. Erfindungsgemäß ist vorgesehen, dass überprüft wird, ob die verketteten Phasenspannungen des Energieübertragungsnetzes relativ zueinander eine vorgegebene amplitudenbezogene Unsymmetrie-Schwelle überschreiten, dass ein entsprechendes Symmetriesignal gebildet- wird, das eine Symmetrie oder Unsymmetrie anzeigt, und dass dieses Symmetriesignal bei der weiteren Überwachung herangezogen wird.
摘要翻译：本发明涉及Ú。一。用于监测的方法的删除或相对于分离地电位三相电力传输系统（40）相对于接地故障的存在。根据本发明，即，检查是否电力传输网络的级联相电压超过相对于彼此的预定振幅相关不平衡阈值，即相应的平衡信号是gebildet-指示对称或不对称，并且这种对称性的信号在进一步的监测使用。

8. 发明申请

WO99030300A1 SYSTEM AND METHOD FOR DETECTING VOLTAGE AND CURRENT IMBALANCE IN AN ELECTRICAL ENERGY SUPPLY 审中-公开
标题翻译：用于检测电能供应中的电压和电流不平衡的系统和方法
公开(公告)号：WO99030300A1
公开(公告)日：1999-06-17
申请号：PCT/US1998/024780
申请日：1998-11-18
IPC分类号： G01R19/00 , H02H3/00 , H02H3/353 , G08B21/00 , H02H3/16 , H02H5/04 , H02H7/09
CPC分类号： H02H3/353
摘要： A system (fig. 1) and method (fig. 2) for detecting a current imbalance or a voltage imbalance in multiphase electrical energy provided to an energy meter. A phase single value is measured for each phase, a normalized phase value for each phase is determined, and a normalized phase ratio is then determined. The highest normalized phase value is compared to a first threshold, and the normalized phase value ratio is compared to a second threshold. It is determined that an imbalance exists when the high normalized phase value is greater than the first threshold and the normalized phase value ratio is less than the second threshold.
摘要翻译：用于检测提供给能量计的多相电能中的电流不平衡或电压不平衡的系统（图1）和方法（图2）。对每个相测量相位单值，确定每相的归一化相位值，然后确定归一化相位比。将最高归一化相位值与第一阈值进行比较，并将标准化相位值比值与第二阈值进行比较。当高标准化相位值大于第一阈值且标准化相位值比小于第二阈值时，确定存在不平衡。

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