Each unit should include a main switch and ammeter with a scale of about 20 ampere capacity.
每一套装置应包括一个主开关和电流表，电流表的刻度范围约20安培。
The network topology takes a star shape, with all racks connecting back to a main switch in the management rack.
网络拓扑采用星形结构，所有机架向后连接到管理机架的主交换机。
Set the main switch selector to a (auto).
把主选择开关调至a(自动)。
Set the main switch selector to a (auto) or m (manual).
把主选择开关转到a(自动)或M(手动)。
The voltage stress of each main switch is only half of the input voltage.
其主开关管的电压应力均为输入电压的一半。
Main circuit adopts the AC-DC-AC structure and uses IPM(Intelligent Power Module) as main switch.
主电路采用交—直—交电压源型变频器，功率器件采用智能功率模块IPM。
Its main switch element is the IPM (intelligent power model). Perfect protection and fault self-diagnosis are provided.
该变频器采用智能功率模块IPM作为主开关元件，具有完善的保护功能和故障自诊断功能。
The main switch and rectifier diode both work under ZVS and ZCS condition to improve the power transmission efficiency.
主开关管和输出整流二极管均实现了ZVS和ZCS，提高了能量传输效率。
ZVS is achieved for each main switch without any auxiliary circuit. Voltage stress of each main switch is a half of input voltage.
每个主开关电压应力是输入电压的一半，并且全范围实现ZVS而不用附加任何电路。
MP2109 Each converter integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode.
每一路变换器都集成了一个主开关管和同步整流管以提高效率，无需外部肖特基二极管。
The main switch array is used for receiving the digital data and outputting the voltage when the digital data are within a first range.
主要开关阵列用以接收数字数据并于数字数据在一第一范围内时输出电压。
The analysis of this paper is concentrated on the procedure of ZCS by the main switch and auxiliary switch including the precondition to realize the ZCS.
着重分析了主开关管和辅助开关管零电流开通和关断的过程及实现条件。
When entering the elevator pit is required, firstly turn on the main switch IG in the control cabinet, and then switch the safety rod to the working position;
当要求进入电梯底坑的时候，必须首先打开控制柜中主开关IG，然后把安全杆转到工作位置；
The combination of the main switch array, the first pre-decoding switch array and the second pre-decoding switch array is virtually a rectangular arrangement structure.
主要开关阵列、第一预解码开关阵列以及第二预解码开关阵列的组合实质上为一矩形布局结构。
When the second lighting mode is selected, the illuminator will not be turned on during the first predetermined period from the point at which the main switch is turned off.
当选择第二照明模式时，在从关断操作主开关的时刻起经过第一规定时间的期间内，照明器不亮。
The design consideration for two dead times is presented to assure that voltage stress for main switches is within half of input voltage and ZVS for each main switch is achieved.
提供了该变换器两个死区时间的设计方法，从而保证了开关电压应力限制在输入电压的一半，同时满足每个开关零电压关断的实现条件。
When you are in a quiet location and the noise produced during film rewinding is disturbing. Set the main switch selector to L (lock) to turn off the power. Rewinding will be temporarily stopped.
当你在很安静的地方，倒片时产生的噪音会打扰您，可以把主选择开关调到“L”，使电源断开，此时卷片将暂时停止。
Abstract: the circuit breaker as the main switch equipment transformation equipment, its normal operation or not relates to the whole of the safe and stable and reliable operation of the power grid.
摘要：断路器作为输变电设备的主要开关设备，它的正常运行与否关系着整个电网的安全稳定可靠运行。
Abstract: the circuit breaker as the main switch equipment transformation equipment, its normal operation or not relates to the whole of the safe and stable and reliable operation of the power grid.
摘要：断路器作为输变电设备的主要开关设备，它的正常运行与否关系着整个电网的安全稳定可靠运行。
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