1.1设备用途:
HRHLZ直流互感器,是用于检定10kA以下电流的直流分流器、直流电流传感器、直流电流互感器的设备。
1.1 Useage of Equipment:
HRHLZ Direct current shunt, is used to test the following current 10kA DC shunt,DC current sensor, a DC current transformer device.
1.2 HRHLZ设备功能及配置:
至少需要配置600A大功率直流稳流源、10 kA大功率直流稳流源、大功率直流稳流源具有过电压、过电流、短路、过热等非正常情况下的自我保护功能;600A 直流电流比例标准和10 kA直流电流比例标准,直流电流比例标准在10%-100%的量限范围内均能保证准确度指标;以及相应的直流标准电阻器,组成大电流发生和测量装置,并且需要配置相应的大电流导线,进而可以检定直流分流器、直流电流传感器、直流电流互感器等仪器。
1.2 Features and Configuration of HRHLZ:
Requires at least 600A power DC constant current source, 10 kA stabilized DC power source, power DC constant current source with over-voltage, over current, short circuit, overheating and other non-normal situations of self-protection function; 600A DC current proportional standards and standard ratio of 10 kA DC current, DC current standard ratio of 10% -100% of the volume limit range can ensure the accuracy index; and corresponding DC standard resistor, the formation of large current generating and measuring means, and to configure corresponding large current conductor, in turn, can test DC shunt, the DC current sensor, DC current transformers and other equipment.
产品特点:
用户可按铭牌上注明标准电流比进行校验。
可进行5/5或1/1电流比自校。
该仪器带脚轮,便于搬运。
技术指标:
温度:-5℃~+40℃
湿度:<80%
容量:5VA
功率因素:COSφ=0.8,1.0
允许在额定电流下长期工作,150A以上穿心
标准电流比:0.1A~20000A/5A、1A
一次电流:0.1A~20000A
二次电流:5A或者1A,也可以是双变比1A和5A。