4. A hole seat for measuring temperature shall be set on the transformer to pierce the mercury thermometer to measure the temperature. 5. The transformer shall be provided with a nameplate, which shall indicate the coil wiring diagram and wi...

Distribution box model and number GCK, GCS and MNS are low-voltage draw out switchgear; GGD, GDH and PGL are low-voltage fixed switchgear; Xzw integrated distribution box; Zbw box type substation; 40. GXL low voltage distribution cabinet...

How to detect the quality of power transformers There are many types of transformer measurements. I dont know your measurement intent. There are usually measurements of power-off and power-on conditions. In the case of no electricity, first...

IP protection level is composed of two numbers. The first number represents the level of dust prevention and foreign object intrusion prevention of electrical appliances, and the second number represents the tightness of electrical appliance...

The scale of differential maintenance is the primary equipment of the differential current transformer on both sides of the transformer. The primary reaction is the phase to phase short circuit of the internal winding of the transformer, the...

The dry-type transformer can directly see the iron core and coil, while the oil immersed transformer can only see the transformer shell. The oil immersed transformer is insulated by insulating oil. The heat generated by the coil is brought t...

The insulation grade of transformer is not the concept of insulation strength, but the standard of allowable temperature rise, that is, the insulation grade refers to the heat-resistant grade of the insulating material used, which is divided...

500 KVA on column transformer is mainly composed of power transformer, outdoor high-voltage AC vacuum circuit breaker, outdoor high-voltage drop fuse, outdoor high-voltage zinc oxide arrester, low-voltage integrated distribution box (JP), ca...