交流电压

The dc voltage is obtained by rectifying and filtering the line voltage, most often by the diode-rectifier circuit.

对于一个交流电动机负载，其端电压要求是正弦的，其幅值和频率要求是可调的。

Voltage is obtained by rectifying and filtering the line voltage, most often by the diode-rectifier circuit.

对于一个交流电动机负载，其端电压要求是正弦的，其幅值和频率要求是可调的。

In the power supply lines in intercourse of 50HZ, 3300V, start or end, the main motor ofcomprehensive explorer, scrap -block transporter, reship, crusher on the floor, motor of oil pump, cool the motor of Fan, start, end, double exchange and control the tape adhesive spread and tighten motor, it can also protect the electromotor and power supply lines. System integration of DPS system of

在交流50HZ，电压3300V的供电线路中，对综采工作面采煤机、刮板运输机、转载机、破碎机起动、停止及双速切换、主、从顺序进行控制，并能对电动机及供电线路进行保护。

In the power supply lines in intercourse of 50HZ, 3300V, start or end, the main motor of comprehensive explorer, scrap –block transporter, reship, crusher on the floor, motor of oil pump, cool the motor of Fan, start, end, double exchange and control the tape adhesive spread and tighten motor, it can also protect the electromotor and power supply lines.

KJZ3-1550/1140Z 矿用隔爆兼本质安全型智能真空组合开关适用于含有甲烷混合气体、具有煤尘爆炸危险的煤矿井下。在交流50HZ ，电压3300V 的供电线路中，对综采工作面采煤机、刮板运输机、转载机、破碎机起动、停止及双速切换、主、从顺序进行控制，并能对电动机及供电线路进行保护。

SANO intelligent servo transformer is a super-small size servo transformer, specifically developed for the non-compatibility voltage between the China Electrical and the alternating servo motor.

SANO三相智能型伺服变压器是专门针对中国电网与交流伺服电机所需电压不匹配而设计的超小体积三相伺服变压器。

In addition to handling the power exchange, this sophisticated HVDC system can stabilize voltages and frequencies on Sardinia.

除了处理电力转换交流，该复杂的 HVDC 系统还可以稳定撒丁岛的电压和频率。

The PVC insulated and sheathed control cable is suitable for used in occasion of control, monitoring loop and

聚氯乙烯绝缘和护套控制电缆使用交流额定电压450/750V及以下控制、监控回路及保护线路等场合。

Under this direction, we developed a kind of inverter power supply, and the parameters are as follows:(1)the input of three-phase alternating current;(2)the output of sinusoidal wave;(3)the frequency of output: 5-25 kHz, which can be adjusted;(4)the voltage of output: 5-20 kV, which can be adjusted.

根据这个特点，我们研制了一种高频、高压的大功率逆变电源，参数如下：(1)三相交流输入；(2)输出正弦波；(3)输出频率：5～25kHz，可调；(4)输出电压5～20kV，可调。

It is suitable for the exchange of 50 or 60Hz, rated voltage to 660V and below, rated operating current to 95A and below the circuit for long-distance direct control of three-phase squirrel cage motor start, stop and reversible operation.

它适用于交流50或 60Hz，额定工作电压至660V及以下、额定工作电流至95A及以下的电路中，供远距离直接控制三相鼠笼型电动机之起动、停止及可逆运转。

To control speeds for a typical alternating current motor we usually take control variables (to change voltage and frequency of the stator power supply) from the stator side in an electric motor which is also the only way for squirrel-cage asynchronous motor with rotor in a short-circuit state.

对于一般交流电动机的调速，我们都是从电动机的定子侧引入控制变量（改变定子供电电压、频率）来实现的，这对于转子处于短路状态的交。。。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。