会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明公开
    • POWER GRID PROTECTION CONTROL SYSTEM TEST DEVICE, TEST METHOD, AND PROGRAM
    • TESTVORRICHTUNGFÜRSTROMNETZSCHUTZSTEUERUNGSSYSTEM,SYSTEMTESTORRICHTUNG,TESTVERFAHREN UND PROGRAMM
    • EP3157111A1
    • 2017-04-19
    • EP14894334.3
    • 2014-06-13
    • Mitsubishi Electric Corporation
    • ODA, Shigetoo
    • H02H3/05
    • G01R31/027G01R19/2513G01R35/00H02H3/05H02H7/04H02H7/042
    • A testing device (50) tests an intelligent electronic device (20) of a power system. A PC (60) generates failure data by performing: simulation calculation for a CT and a PT with respect to current waveform data (CT) of a current transformer (7) and voltage waveform data (PT) of a potential transformer (8) based on a characteristic of an instrument transformer; and simulation calculation for an MU (10) with respect to the current waveform data (CT) of the current transformer (7) and the voltage waveform data (PT) of the potential transformer (8) based on a characteristic of the MU (10). The testing device (50) acquires device information data (DI) indicating a circuit breaker of the power system, in synchronization with the failure data. The testing device (50) transmits the failure data and the device information data (DI) to the intelligent electronic device (20) via a process bus (22) in accordance with a setting of outputting data to the process bus (22) and a setting of sampling.
    • 测试设备(50)测试电力系统的智能电子设备(20)。 PC(60)通过对电流互感器(7)的电流波形数据(CT)和电压互感器(8)的电压波形数据(PT)进行相对于CT和PT的模拟计算来产生故障数据, 关于仪表变压器的特性; 以及基于MU(10)的特性,相对于电流互感器(7)的电流波形数据(CT)和电压互感器(8)的电压波形数据(PT)的MU(10)的仿真计算 )。 测试装置(50)与故障数据同步地获取指示电力系统的断路器的装置信息数据(DI)。 测试装置(50)根据向处理总线(22)输出数据的设置,经由处理总线(22)将故障数据和设备信息数据(DI)发送到智能电子设备(20),并且 抽样设定。
    • 4. 发明公开
    • INTEGRATED TRANSFORMER HEALTH MONITORING ARCHITECTURE
    • 整合式变压器
    • EP3091628A1
    • 2016-11-09
    • EP16168193.7
    • 2016-05-03
    • General Electric Company
    • PAMULAPARTHY, BalakrishnaMUTHUKRISHNAN, VijayasarathiVINAYAGAM, Balamourougan
    • H02H7/04G01R19/25
    • G01R31/027H02H7/04
    • Embodiments of the present disclosure relate to an integrated transformer health monitoring architecture and associated processes. In one embodiment, a method can provide: receiving protection data of a transformer (110) from the at least one protection relay device (122); receiving health monitoring data of the transformer from the at least one monitoring and diagnostics (M&D) device (124); analyzing the received protection data and the received health monitoring data using a common time reference; monitoring, diagnosing, analyzing, or predicting a failure of the transformer based at least in part on analysis of the received protection data and the received health monitoring data; and generating an instruction to modify operation of the transformer (110) in response to monitoring, diagnosing, analyzing, or predicting a failure of the transformer (110).
      Fig. 1
    • 本公开的实施例涉及集成的变压器健康监测架构和相关联的过程。 在一个实施例中,一种方法可以提供:从所述至少一个保护中继装置(122)接收变压器(110)的保护数据; 从所述至少一个监控和诊断(M&D)设备(124)接收所述变压器的健康监测数据; 使用公共时间参考来分析所接收的保护数据和接收到的健康监测数据; 至少部分地基于对所接收的保护数据和接收到的健康监测数据的分析来监视,诊断,分析或预测变压器的故障; 以及响应于所述变压器(110)的故障的监视,诊断,分析或预测,产生修改所述变压器(110)的操作的指令。 图。 1
    • 7. 发明公开
    • LIGHTNING PROTECTION CIRCUIT, SWITCHING POWER SUPPLY AND LIGHTNING PROTECTION METHOD
    • BLITZSCHUTZSCHALTUNG,SCHALTNETZTEIL UND BLITZSCHUTZVERFAHREN
    • EP2787589A1
    • 2014-10-08
    • EP13773092.5
    • 2013-04-01
    • Huawei Device Co., Ltd.
    • SUN, LiangangDI, WeiZOU, MeiPU, Yiyong
    • H02H9/06
    • H02H7/12H01F27/343H02G13/80H02H3/20H02H7/04H02H9/06H05B41/2851
    • Embodiments of the present invention provide a surge protection circuit, a switching power supply, and a surge protection method, which can prevent a power supply from being damaged by a high energy surge voltage discharged from a terminal device to an output end of a power supply. The surge protection circuit is applied to the switching power supply, where an output end of the power supply is connected to the terminal device. The power supply includes a transformer, where a ground wire end at a high voltage side of the transformer is grounded, and a ground wire end at a low voltage side of the transformer is not grounded. The circuit includes a surge protection tube, where one end of the surge protection tube is electrically connected to the ground wire end at the high voltage side of the transformer, and the other end of the surge protection tube is electrically connected to the ground wire end at the low voltage side of the transformer. The ground wire end at the low voltage side of the transformer is electrically connected to a ground wire end of the terminal device. The ground wire end at a high voltage side of the transformer, the surge protection tube, and the ground wire end at the low voltage side of the transformer form a loop. When a surge voltage on the terminal device is greater than a discharge voltage of the surge protection tube, the surge protection tube is conducted and discharges the surge voltage on the terminal device to the ground wire end at the high voltage side of the transformer. The embodiments of the present invention are applicable to the field of electronic technologies.
    • 本发明的实施例提供了一种浪涌保护电路,开关电源和浪涌保护方法,其可以防止电源被从终端设备放电到电源的输出端的高能量浪涌电压损坏 。 浪涌保护电路被应用于开关电源,其中电源的输出端连接到终端设备。 电源包括变压器,其中变压器的高压侧的接地线端接地,并且变压器的低压侧的接地端不接地。 该电路包括浪涌保护管,其中浪涌保护管的一端电连接到变压器的高压侧的接地端,并且浪涌保护管的另一端电连接到接地端 在变压器的低压侧。 变压器低压侧的接地线端子与端子装置的接地端电连接。 变压器高压侧的接地线末端,变压器的低压侧的浪涌保护管和接地线端部形成环路。 当端子装置上的浪涌电压大于浪涌保护管的放电电压时,浪涌保护管被传导,并将端子装置上的浪涌电压放电到变压器的高压侧的接地端。 本发明的实施例可应用于电子技术领域。