| 1. | Ac and dc supply simultaneously 交直流双重供电 |
| 2. | Dc supplied electronic ballasts for tubular fluorescent lamps - performance requirements 管形荧光灯用直流电子镇流器性能要求 |
| 3. | Dc supplied electronic ballasts for tubular fluorescent lamps - performance requirements 管状荧光灯用直流电子镇流器.性能要求 |
| 4. | Dc supplied electronic ballasts for tubular fluorescent lamps - performance requirements ; amendment 2 管状荧光灯用直流电子镇流器.性能要求.修改件2 |
| 5. | Dc supplied electronic ballasts for tubular fluorescent lamps - performance requirements ; amendment 1 管形荧光灯直流电源镇流器.性能要求.第1次修改 |
| 6. | New dc supply twido plc products for 10 , 16 , 24 io compact module , fulfilling various customer application needs 10 , 16 , 24io的一体型本体,增加了直流供电型号,以满足客户不同的应用需求 |
| 7. | The fast control power supply ( fcps ) of the tokamak is a dc supply with huge capacity to provide rapid magnetic field constraint to the plasma 在托克马克装置中对等离子体进行磁约束的快控电源装置是一个大容量直流电源。 |
| 8. | Working in normal mode in case : dc supply is present and at least one lna works well . working in bypass mode in case : no dc supply or both lnas are fail . transition time between different working modes : < 2 seconds 直流供电正常时,工作于正常模式,低噪声放大器工作.供电中断时,自动切换到直通模式.恢复供电时,在2秒钟之内切回正常模式.严重故障时,自动切换到直通模式 |
| 9. | The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux . it can generate less harmonics in the output current of power inverter and less losses of ac motor , reduce pulsant component in output torque and raise availability of dc supply voltage 系统采用的svpwm算法通过对空间磁链矢量幅值和相位的控制来调节电机转速,减少了逆变器输出电流的谐波,降低了脉动转矩,提高了电压的利用率。 |