ENR-BNR型中性点电阻柜

NGR Neutral Grounding resistors 中性点接地电阻中国供应厂家
一、       产品用途Purposes of Products
ENR-FNR型发电机中性点电阻柜为专用于发电厂发电机中性点，以实现发电机采用中性点经电阻接地方式。
The ENR-FNRtype resistor cabinet is designed and applied to the neutral point of generator in power plant to realize Neutral Grounding of the generator through resistor.
二、       产品特点Features the Product
1、 6～35kV交流电网中，电网中性点有可能采用不接地、消弧线圈接地、大电阻接地、中电阻接地、小电阻接地等接地方式，ENR-FNR型电阻柜适用于电阻接地方式。
A 6～35KV AC power system may be non-grounded or grounded at its neutral point through arc suppression coil，high resistor，midium resistor，small resistor, etc．ENR-FNR resistor cabinets are suitable to resistor grounding mode.
2、 ENR-FNR型电阻柜性能稳定、可耐高温、通流能力强，工作时间长、阻值范围大，还可配备电流互感器给保护和监控系统提供模拟量输出。
ENR-FNR type resistor cabinetsfeature stable performance，capability to stand high-temperature, large current,and the product may be equipped with a CT to provide analog output for protection and control system.
3、 ENR-FNR型电阻柜为标准产品，可以与电阻或电抗并联运行。这就为电网初期规模较小，以后逐渐扩大而要求接地电阻逐渐减小提供了方便，即：便于扩建增容。
ENR-FNRtype resistor cabinets are standard products and can work in parrallel with resistor or reactor, which is convenient for a smaill-scale power grid to decrease its grounding resistance in the capacitance-increasing course.
 
 三、   形式结构Structural Type
ENR-FNR型电阻柜柜体为不锈钢材料，防护等级IP43，电阻值大小根据用户要求确定。
电阻柜内可根据用户要求装电流互感器测量中性点电流并可引出到继电保护装置。
The cabinet body of ENR-FNR resistor cabinet is made ofstainless steel,with protection degree of IP54 and resistance decided at buyer’s requirement.  A current transformer may be arranged in the cabinet to measureNeutral Grounding current and output the current signal to relay protecting devices.