In the field of rail transit, Ponovo provides a detailed test
solution for the urban rail transit power supply system. It
provides special test products for the test of rectifying cabinet,
feeder test and negative electrode test to make up the blank of the
test of the DC traction system.
It has been widely applied in major cities such
as Beijing, Shanghai, Tianjin, Wuhan, Nanjing and Nanchang.
The high precision DC test device, PWT DC
incremental protection test device and PDC15K DC current release
device are used to test the characteristics of the DC current
transformer in UHV converter station, the relay protection of the
subway DC power supply.
During the period of outage maintenance, the
characteristics of action protection of large current circuit
breaker are tested, which greatly enriches customer demand.