维持电压 meaning in English

maintaining voltage

Four methods have been taken to decrease the total heat quantity generated by the solenoid coil . the four methods are to reduce the duration of the high voltage , to reduce the amplitude of the high voltage , to reduce the duration of the control signal , and to reduce the amplitude of the low voltage . it was found that the four methods did have some effect on temperature
研究发现，以减小电磁阀的总发热量为目的而采用的缩短高电压作用时间、降低电磁阀高低压驱动的高电压幅值、缩短控制信号持续时间和降低维持电压的四种方法，对减小电磁阀的发热都是有效的，但效果都不特别显著。