Bw-dz product is the newly launched neutral point grounding resistance cabinet microcomputer measurement and control device, it is bowei adhering to decades of successful experience in the field of power system secondary equipment manufacturing, to provide users with high quality, cost-effective protection measurement and control integration device. Bw-dz is suitable for neutral point grounding system through resistance in substation or power plant.
Function selection comparison table
BW-DZ
Basic functions:
1, Digital tube display;
2,The device can monitor the temperature and humidity in the cabinet in real time, and alarm according to the alarm limit set, and can be connected to the fan for air exhaust, adjust the ambient temperature in the cabinet;
3,The device can monitor and display the voltage and current value of the grounding resistance cabinet in real time, judge whether the system is grounded, and record the number of system grounding.
Optional functions:
1. RS485 communication function.
BW-DZ-6
Basic functions:
1, LIQUID crystal display, simple operation;
2, The device can monitor the temperature and humidity in the cabinet in real time, and alarm according to the alarm limit set, and can be connected to the fan for air exhaust, adjust the ambient temperature in the cabinet;
3,The device can monitor and display the voltage and current value of the grounding resistance cabinet in real time, judge whether the system is grounded, and record the number of system grounding;
4, With resistance cabinet [] switch signal detection function;
5, With fan circuit disconnection alarm function;
Optional functions:
1, Resistance cabinet main circuit break (abnormal open) online monitoring function;
2, Infrared online temperature measurement function, mainly to measure the temperature of the neutral resistance body;
3, RS485 communication function, Ethernet communication function (choose one of the two).
Device dimensions: 257x 170x75mm(length x width x thickness) Hole size: 216x 170mm
Note: the two products have the same appearance size and the same screen opening diagram, but the wiring terminal arrangement is very different, please pay attention to the selection.