The utility model discloses a 10kV joins in marriage modularization cascade compensation device on net twine way, including a storage battery, first switch, the second switch, the third switch, low -voltage grade (the about 1kV of rated voltage ) capacitor bank, energy taking device, low -voltage grade zinc oxide arrester, low -voltage grade thyristor group, a controller, a voltage detector for detecting the current detection ware of the last electric current of capacitor bank and be used for detecting capacitor bank and go up voltage, this compensation arrangement has smallly, low cost, maintain convenient characteristics, while zinc oxide arrester's protection short response time, be used for high -tension distributing line with low -voltage grade condenser, unify cluster remounting andput the parameter specification, interchangeability and engineering adaptability that the device used have been improved at the distribution network, the waste of resource has been reduced.