| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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| 03/05/2015 | WO2015028062A1 Differential protection method and differential protection device for performing a differential protection method |
| 03/05/2015 | US20150062762 Semiconductor device |
| 03/04/2015 | EP2843782A1 Power device for preventing malfunction |
| 03/03/2015 | US8971007 Electrical energy saving system |
| 03/03/2015 | US8971001 Overvoltage protection circuit |
| 03/03/2015 | US8970997 ESD protection circuit |
| 02/24/2015 | US8964433 Insulator integrated power supply |
| 02/24/2015 | US8964346 Surge arrester |
| 02/24/2015 | US8963558 Current differential protection |
| 02/24/2015 | CA2695869C Arc fault circuit interrupter and method of detecting and interrupting a resistive series arc of a power circuit |
| 02/18/2015 | EP2838172A2 Device and method for detecting arcing faults |
| 02/17/2015 | US8958193 System and method for providing optically triggered circuit breaker |
| 02/17/2015 | US8958185 ESD block isolation by RF choke |
| 02/17/2015 | US8958183 Industrial ground fault circuit interrupter |
| 02/17/2015 | CA2712919C Method and apparatus for testing afci device for series arc detection |
| 02/12/2015 | US20150043134 Circuit interrupters and electrical enclosures with rejection features |
| 02/12/2015 | US20150043111 Control unit for a motor vehicle |
| 02/11/2015 | CN204156495U 一种矿用低压馈电开关失压延时跳闸综合保护模块 An integrated protection modules trip ore feed low pressure switch failure rolling |
| 02/11/2015 | CN104350656A 无线分支电路能量监测系统 Wireless energy branch circuit monitoring system |
| 02/10/2015 | US8953296 AC pre-charge circuit |
| 02/04/2015 | CN204144899U 一种数字式保护测控装置 A digital protection and control devices |
| 02/04/2015 | CN104332940A 抑制捕获误判的方法、装置及微电网系统 Suppress false capture methods, devices, and micro-grid system |
| 02/03/2015 | US8947844 Series type surge suppressor and clamping circuit |
| 02/03/2015 | US8947246 Utility meter arc detection system |
| 01/29/2015 | US20150029625 Hazardous Area Coupler Device for High Frequency Signals |
| 01/29/2015 | US20150029617 Passive Resonance DC Circuit Breaker |
| 01/28/2015 | EP2830212A2 Systems and methods for arc detecting and extinguishing in motors |
| 01/27/2015 | US8942970 Method for configuring an intelligent electronic device and a substation automation system |
| 01/22/2015 | WO2015007779A1 Method and circuit arrangement with means for a leakage current compensation in a photovoltaic system with multiple differential current sensors |
| 01/22/2015 | US20150022928 Hybrid dc circuit breaking device |
| 01/22/2015 | US20150022925 Electronic module, electronic arrangement and method for producing an electronic module |
| 01/21/2015 | EP2827466A2 Switching assembly |
| 01/21/2015 | EP2826118A1 Trip unit providing short circuit zone location detection, electrical switching apparatus and system including the same |
| 01/21/2015 | EP2826052A1 Safety relay circuit |
| 01/21/2015 | CN104300490A 一种继电保护在线断点求取方法 One kind of protection method for calculating line break |
| 01/15/2015 | US20150014129 Fuse and trip mechanism therefor |
| 01/14/2015 | CN204103447U 一种欠压保护装置 One kind of undervoltage protection |
| 01/14/2015 | CN104285352A 具有电源的安全开关设备 With a power safety switch device |
| 01/08/2015 | WO2015002633A1 Upstream parallel arc fault outlet protection method |
| 01/08/2015 | US20150009599 Gate driving circuit and array substrate |
| 01/08/2015 | US20150009596 Device of protection against transient electrical overvoltages |
| 01/07/2015 | CN104269812A 一种适用于地铁中压供电系统数字化保护通信中断检测方法 One for medium-voltage power supply system subway protect digital communication interruption detection method |
| 01/07/2015 | CN104269811A 一种用于电力保护与消防的系统 An electric power system protection and fire protection for |
| 01/07/2015 | CN104269810A 一种继电保护装置抑制网络冗余数据方法 One kind of protection devices to suppress redundant data network method |
| 01/07/2015 | CN104269809A 一种地区电网继电保护定值在线校核的方法 Value for a Regional Power Relay online checking methods |
| 01/06/2015 | US8929107 Active surge protection in a power supply |
| 01/06/2015 | US8929038 Method and device for safely switching a photovoltaic system after differentiating the arc type |
| 01/06/2015 | US8929036 Arc fault circuit detection methods, systems, and apparatus including delay |
| 01/01/2015 | US20150002976 Method and system for ultra miniaturized packages for transient voltage suppressors |
| 12/31/2014 | CN204068190U 一种分断器 One kind of breaking device |
| 12/31/2014 | CN204068189U 具备失电保持功能的二次侧过电压保护器 With a loss of power to maintain the function of the secondary-side voltage protection |
| 12/31/2014 | CN204068188U 一种继电保护装置 One kind of protection devices |
| 12/31/2014 | CN102593784B 一种继电保护装置的分布式供电系统 Distributed power supply system for protection devices |
| 12/30/2014 | US8922968 Electrical insulator and method of production |
| 12/25/2014 | US20140376141 Overcurrent protection method, circuit and integrated circuit |
| 12/24/2014 | CN204044542U 通用数字电力保护装置 Universal Digital Power Protection |
| 12/24/2014 | CN103022959B 交流接触器主触头粘连检测装置及检测方法 AC contactor main contact adhesion detection device and detection method |
| 12/23/2014 | US8918296 Method for detecting single phase grounding fault based on harmonic component of residual current |
| 12/18/2014 | US20140368962 Surge arrester |
| 12/18/2014 | US20140368956 Apparatus, System, and/or Method for Intelligent Motor Protection and/or Control |
| 12/17/2014 | CN204030543U 一种基于dsp和fpga架构的光纤差动保护主控系统 Fiber differential protection and controlling system based on fpga dsp architecture |
| 12/17/2014 | CN204030542U 一种自复式电压保护器外壳 A self-dual voltage protection shell |
| 12/17/2014 | CN204029735U 智能型塑壳式断路器控制器 Intelligent Controller MCCB |
| 12/17/2014 | CN104218515A 一种继电保护装置 One kind of protection devices |
| 12/17/2014 | CN102738764B 一种断路器电子式控制器 A circuit breaker electronic controller |
| 12/10/2014 | CN204012640U 继电保护功能压板 Relay function plate |
| 12/04/2014 | US20140355164 Three-pole lightning arrestor integrated into a residential gateway with lightning impact detector |
| 12/04/2014 | US20140355159 Integration unit and protective relay system |
| 11/27/2014 | US20140347776 Package module of battery protection circuit |
| 11/27/2014 | US20140346327 Electro-optical radiation collector for arc flash detection |
| 11/20/2014 | US20140340171 GFCI Compatible System and Method for Reducing Common Mode Noise |
| 11/18/2014 | US8891215 High noise immunity with latch-up free ESD clamp |
| 11/18/2014 | US8891211 Potential arc fault detection and suppression |
| 11/18/2014 | US8890374 Uninterruptible power supply system for avoiding arcing generation and cabinet thereof |
| 11/18/2014 | US8890205 Semiconductor component and an operating method for a protective circuit against light attacks |
| 11/13/2014 | US20140334050 Passive arc suppressor |
| 11/13/2014 | US20140334049 Voltage detector with high voltage protection |
| 11/04/2014 | US8879218 Arc fault circuit interrupter, systems, apparatus and methods of detecting and interrupting electrical faults |
| 11/04/2014 | US8878546 Apparatus and method for quickly determining fault in electric power system |
| 11/04/2014 | US8878396 Continuous uninterruptable AC grounding system for power system protection |
| 10/28/2014 | US8872522 Frequency based fault detection |
| 10/23/2014 | US20140313624 Solar energy conversion apparatus |
| 10/21/2014 | US8868398 Method for predicting arc flash energy and PPE category within a real-time monitoring system |
| 10/21/2014 | US8866345 Electrical current managing system |
| 10/09/2014 | US20140301008 Method and device for detecting electric arc in a photovoltaic installation |
| 10/09/2014 | US20140300187 Power supply system, distributed power source system, management apparatus, and power supply control method |
| 10/07/2014 | US8854786 System and method for providing surge protection |
| 10/07/2014 | US8854781 Power supply device for plasma processing |
| 10/07/2014 | US8854032 System and method for monitoring current drawn by a protected load in a self-powered electronic protection device |
| 10/02/2014 | US20140293494 Adaptive Topology Assisted Protection and Control of Electric Power Delivery Systems |
| 10/01/2014 | EP2783440A1 Device and method for protection from an electric arc |
| 09/30/2014 | US8850226 Method for testing electrical components in main supply, in particular in building |
| 09/30/2014 | US8849614 System and method for monitoring and managing three-phase power flows in electrical transmission and distribution networks |
| 09/30/2014 | US8848332 Intrinsically safe energy limiting circuit |
| 09/25/2014 | WO2014147056A1 Device for protecting power grids |
| 09/24/2014 | EP2782201A1 Storage battery unit |
| 09/23/2014 | US8843349 Apparatus for removing the partial discharge noise of an electrical power facility and apparatus for detecting a partial discharge generated section |
| 09/18/2014 | US20140278157 GFCI Test Monitor Circuit |
| 09/18/2014 | US20140268465 System and method for providing optically triggered circuit breaker |
| 09/18/2014 | US20140268434 GFCI with Voltage Level Comparison and Indirect Sampling |