brush wear
1.DJW-WB、SJW-WB Series single and three phase &large-power auto compensated Voltage regulator,Incorporating advanced technology of group winding compensation and mon-contact suitch and micro-computer controling AC regulation, with functions of high effeciancy quick regulating ou-to-balance of three phases no mechanical no mechanical broken down and wear of carbon brush and time delay over and low load warning and protection.
