• major function

• 过电压保护功能，限制雷电过电压、操作过电压和相间过电压。

• Overvoltage protection function, limiting lightning overvoltage, operating over voltage and over voltage.

• 替代消弧线圈，消除间歇性弧光接地故障，并具有的限制弧光接地过电压的功能。

• replace the Petersen coil, eliminate the intermittent arc grounding fault, and has restricted the function of arc grounding overvoltage.

• 判断接地故障，区分弧光接地、高阻接地和金属性接地，并记录接地故障信息，保存最近20次接地故障信息，装置掉电数据永不丢失。

• judge grounding fault, distinguish the arc grounding, high resistance ground and metal grounding, and record the fault information, save the last 20 grounding fault information, the device falls never lost data.

• 能区分单相接地和铁磁谐振，快速消除PT铁磁谐振。

• Can distinguish between single phase grounding and ferromagnetic resonance, fast elimination of PT ferromagnetic resonance.

• 替代电压互感器柜，提供电压监测功能。

• Alternative voltage transformer cabinets to provide voltage monitoring function.

• 选线功能：最大36路选线功能，快速准确查找单相接地故障线路。

• Line selection function: maximum 36 line selection function, fast and accurate detection of single phase to ground fault line.

• 远动功能：二进制方式进行编码（可选）。

• remote function: binary encoding (optional).

• 高压限流熔断器熔断报警功能。

• High voltage current limiting fuse fusing alarm function.

• 通讯功能：装置可以通过RS-232或RS-485通讯口与上位机通讯.

• Communication function: the device can communicate with the host computer through the RS-232 or RS-485 communication port.
 

• Device characteristics

• 全面的过电压保护功能，各类相对地及相与相之间的过电压均被限制到较低的电压水平，使系统的绝缘事故大大降低，由于母线过电压被限制在较低的水平，原本可能引发的铁磁谐振过电压的可能性大大减少。

• Comprehensive over-voltage protection function, all kinds of relative and phase and phase overvoltage are limited to low voltage level, the system insulation accidents can be greatly reduced, because the bus voltage is limited at the lower level, originally may lead to the ferroresonance over voltage possibility is greatly reduced.

• 先进科学的消弧原理，多重手段保证弧光接地故障的快速消除，同时弧光过电压被限制到较低的电压水平，原来按设计规范要求应装设消弧线圈的系统，可以不再装设，而且其限制过电压的功能将比装设消弧线圈更好、更完善

• advanced scientific principle to eliminate arc and multiple means to ensure the arc grounding fault quickly eliminate, and arc over voltage is limited to low voltage level, the original according to the design specification requirements should be installed to eliminate arc coil system can no longer installed, and the limit voltage function will be over the installation of fire arc suppression coil is better and more perfect.

• 二次小电阻消谐，快速、安全、可靠。

• Two small resistance, fast, safe and reliable.

• 新型选线原理，选线准确。

• New line selection principle, accurate line selection.

• 由装置的工作原理可知，消弧的机理与系统接地电容电流大小无关，不改变系统的运行方式，无需考虑增容，便于电网的改造和远景规划。

• According to the working principle of the device, it can be known that the arc suppression mechanism has nothing to do with the system grounding capacitance current, does not change the operation mode of the system, it is not necessary to consider the capacity increase, which is convenient for the reconstruction of the power network and the future planning.

• 占地小，节省系统投资，可替代PT柜，对于老站改造只需要把PT柜一换即可。

• Small footprint, saving system investment, can replace the PT cabinet, for the old station renovation only need to change the PT cabinet.

• 多台消弧柜可协调工作，柜体间通过总线通讯，方便用户查找故障线路。

• multiple Petersen cabinet cabinet through coordination, bus communication, convenient for the user to find the fault line.

• 整个装置集成在一个高压开关柜内，结构简单，体积较小，安装方便，价格低廉，相对于消弧线圈接地系统而言，具有较高的性能价格比。

• The whole device is integrated in a high voltage switch cabinet, which has the advantages of simple structure, small volume, convenient installation and low price, and has high performance price ratio compared with the arc suppression coil grounding system.

• 装置自动化程度高，运行和维护极为方便。

• A high degree of automation, operation and maintenance is very convenient.

技术参数

• technical parameter

• 额定频率： 50(Hz)；

• Rated frequency: 50 (Hz);

• 额定电压：3 、 6 、 10 、 35(kV)；

• Rated voltage: 3, 6, 10, 35 (kV);

• 额定电流：10 、 31.5 、 63 、 80 、 100 、 125 、 160 、 200 、 315(A)；

• Rated current: 10, 31.5, 63, 80, 100, 125, 160, 200, 315, (A);

• 额定短路开断电流： 50kA .

• Rated short circuit breaking current: 50kA.

• 智能控制器参数

• Intelligent controller parameters

> 电源电压： 220V DC/AC，允许偏差-20%～10% ；

• Power supply voltage: DC/AC 220V, allow the deviation of -20% ~ 10%;

> 电源功率： <25W；

• Power supply: <25W;

> 通讯接口： RS-485（或RS-232）；

• Communication interface: RS-485 (or RS-232);

> 配有选线功能， 选线路数最大 36 路 ( 根据用户要求确定 )；

> with line selection function, the maximum number of line 36 Road (determined according to user requirements);

> 报警和远动输出触点容量：AC250V 2A；DC220V 0.2A；

> alarm and remote output contact capacity: AC250V 2A; DC220V 0.2A;

> 零序电压启动值30V～120V，动作准确度：误差≤5% ；

> Start > zero sequence voltage value 30V ~ 120V, action accuracy: the error is less than 5%;

> 电磁兼容达到国家Ⅳ级水平

> electromagnetic compatibility to achieve national level IV