提出了一种电力互感器现场校验的新方法,介绍了其基本原理、校验电路及其装置结构组成。
A new on site verifying method for power transformer is proposed. The basic principle, verifying circuit and configuration of the test equipment are given as well.
为保证计量准确,必须按照JJG1021-2007《电力互感器》和DL/T448-2000《电能计量装置技术管理规程》进行检验。
To ensure accurate measurement, must be in accordance with JJG1021-2007 "power transformer" and DL / T448-2000 "power metering device technical management procedures" for testing.
电力系统母线保护存在的主要问题,是电流互感器的饱和问题。
Saturation of Current Transformer is the major problem of Bus Protect in power system.
这是一个电流互感器电力消费量指标,这是将安装在前面板上你的系统案例,是隶属。
This is a current transformer the power consumption indicator, which is to be installed in the front panel of your system case, is attached to.
在高压电力系统中,为了提高电压互感器的测量准确度,必须减小误差。
In high voltage power system, in order to raise measurement accuracy, errors must be reduced.
介绍了OET700系列电子式互感器的结构与性能及其试验结果和在电力系统中的试运行情况。
The structure and characteristic of OET700 series electronic instrument transformer are introduced. Its test results and operation in electric system are presented.
电力系统母线保护存在的主要问题,是电流互感器的饱和问题。
Saturation of Current Transformer (ct) is the major problem of Bus Protect in power system.
叙述了电容式电压互感器的结构和应用,介绍了其运行维护情况及电力现场试验。
This paper describes the structure and application of a capacitive voltage transformer and presents running attention and electric power field test.
电流互感器作为电力系统中的重要设备,对电力系统的正常运行和电力的精确计量有非常重要的作用。
As very important equipments in electric power industry, current transducers (ct) play a primary role for working well and calculating precisely in power supplying system.
目前电力系统电压信号的采集,大多采用电磁式电压互感器和电容式分压器。
Electromagnetic voltage transformer and capacitance divider are usually used to get voltage signal in power system.
用于电力系统电流测量的全光纤电流传感器由于具有传统电流互感器无法比拟的优点,具有广阔的应用前景。
All-fiber optic current sensors (AFOCS) used to measure the power supply system is superior to conventional current transformers and has broad prospect of application.
电流互感器是电力系统中最重要的高压设备之一。
Current transformer plays important role as a kind of high-voltage equipments in power system.
电力系统对电压的测量主要采用电磁式电压互感器,需进行二次变压,才能将电网上的信号变为电子测量装置可用的信号。
The voltage transformer used in power system usually adopts electromagnetic configuration whose output signal can't be directly used by electronic apparatus without further transformation.
该互感器与PC机配合,可完成电力系统的谐波分析、鉴相、功率因数及有功、无功功率的分析计算。
And the transformer can carried out the analysis and calculation of harmonic, phase discrimination, power factor, active and reactive power together with PC.
有源型高压光纤电流互感器是电力系统计量、保护的重要设备。
An active optical fiber current transducer is an important device used in power system for measurement and protection.
电磁式电流互感器在电力系统故障情况下可能发生饱和,常导致继电保护装置误动或拒动。
The saturation of magnetic current transformers, occurred during a fault on the power system, will lead to mal-operation or refused operation of protection relay.
电力计量直接的对象是电子互感器,IEC标准统一规定了电子互感器的两种输出方式:数字瞬时值序列和模拟电压信号。
The direct object of power metering is electronic transformer. From IEC standards, electronic transformer has two kinds of output: digital signals and analog signals.
本型互感器为户外电能计量装置。与电能计量仪表箱配置后又称为电力计量箱。
This type of voltage transformer is an outdoor installation for metering of electric energy, also called electric metering box after equipped with the instrument box for electric energy metering.
电磁式电压互感器是电力系统测量电压的主要装置。
The magnetic type PT is the primary equipment for measuring the voltages in power system.
电科院高压研究所与有关单位合作,在大电流试验室和电力系统中进行了互感器防爆模拟试验。
The tests have been carried out in the laboratory of Electric Power Research Institute and Tangshau substation.
为了准确反映电力机车的负载电流或短路电流,应将接触导线和正馈线上的电流互感器次边差接。
In order to measure accurately the load of electric locomotives and short circuit current, the secondary side of CTs connected with catenary and feeder should be connected in differential mode.
提出根据互感器主铁心谐波磁通直接测量电力系统谐波的方案。
A principle of measuring harmonics directly according to the harmonic magnetic flux in the main core of the current transformer is proposed.
提出根据互感器主铁心谐波磁通直接测量电力系统谐波的方案。
A principle of measuring harmonics directly according to the harmonic magnetic flux in the main core of the current transformer is proposed.
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