布赫继电器有一个测试口，测试时聚集的气体可以从此口散出。
Buchholz relays have a test port to allow the accumulated gas to be withdrawn for testing.
即便当库兹韦尔将历史向后延伸至晶体管计算技术还未出现的上世纪初——即使用继电器和真空管的几十年间时，曲线依然表现出令人惊异的稳定性。
The curves held eerily steady, even when Kurzweil extended his backward through the decades of pretransistor computing technologies like relays and vacuum tubes, all the way back to 1900.
当继电器动作时，一个或多个接触器动作且给断路器的脱扣线圈通电，从而将断路器断开。
When the relay operates, one or more contacts will operate and energize a trip coil in a Circuit Breaker and trip (open) the Circuit Breaker.
例如，在通过一个开关进行测量时，如果在继电器有足够的时间得到稳定之前读取读数，则该读数将是错误的。
For example, an erroneous reading will occur if a measurement is taken through a switch before the relay has had sufficient time to settle.
磁保持继电器是有极性区分的，如果用户需要的极性与本资料不符，应在订货时特别提出。
Magnetic latching relay is polar differentiation, and if the user needs to polarity and the data is inconsistent, should be in order when the special offers.
该电阻器的阻值要保证被测装置发生故障时的短路电流不会超过开关卡上任一组继电器的最大电流指标。
The value of this resistor is chosen such that, in the event of device failure, the short circuit current will not exceed the maximum current specification of the relays on either set of switch cards.
热继电器的设定值应能在不超过压缩机额定电流的140%时断开。
Thermal relay value should be able to in no more than 140% of the rated current compressor when disconnect.
切换电流是指继电器在开路和闭合触点时能可靠处理的最大电流。
Switched current is the maximum current that can be handled reliably while opening and closing contacts.
恒温器包括继电器、阀门、电门等，当恒温器高于或低于所需的数值时，恒温器就发出信号，通常为电信号。
The thermostat generates signals, usually electrical, to activate relays, valves, switches, and so on when the temperature rises above or falls Below the desired value.
只有A/C扩大器上的电压是来自输入端的正确电压时，初级输出（即A/C压缩机继电器）才会被激活开启。
It is only when the correct voltages are applied to the A/C amplifier from the key inputs that the primary output (the A/C compressor relay) will be energised.
敞开的继电器会使潮湿空气进入切换区域，而密闭继电器从出厂时其内部环境就是受控的。
Open relays allow ambient air into the switching area, while sealed re lays contain a controlled internal environment from the manufacturer.
过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。
An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.
仅标出了继电器闭合或开路时适用的元件。
Only the applicable elements of a closed or open relay are shown.
在检测到待机信号时，单片机控制继电器开关，将电流切断，家电完全断电，消除了待机功耗，达到节能的目的。
When detecting standby signal, microcomputer gives structure to relay switch to cut off the current, then standby power is eliminated so as to realize energy saving.
这一规定位置，继电器驱动单元关闭时由于低电池状态。
This establishes the position that the relay is driven to when the unit shuts down due to low battery state.
当利用这一配置测量漏流时，通过每个继电器的常闭触点同时向所有的二极管施加偏压。
When measuring the leakage current with this setup, the voltage bias is applied to all the diodes simultaneously through the normally closed contact of each relay.
它限制每个电容器的充电电流，并在电容器发生短路时保护继电器。
It limits the charging current of each capacitor and also protects the relays in case a capacitor becomes short-circuited.
流量指示器用于声音报警，灯光报警，当流量发生时启动电机、泵等继电器或起动器开关。
Waterflow indicator used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc., when low occurs.
介绍了用PLC改造旧设备时，根据继电器电路图设计梯形图的方法与步骤，并介绍了设计中需要注意的问题。
This paper introduces the approach and method of design of PLC ladder diagram based on relay diagram in old equipment alteration, some problems in design are discussed.
流量开关用于声音报警，灯光报警，当无流量时启动电机、泵等继电器或起动器开关。
Waterflow indicator used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc. , when no flow occurs.
本文主要研究触点带低电平负载时，继电器的动态接触特性。
This paper focuses on the dynamic contact characteristic of relay in low-duty load performance.
在1号高炉中修时对上料系统进行了改造，用P LC控制取代继电器控制。
During the intermediate repair the charging system of No1 blast furnace was modernized and PLC control system replaced relay control.
在这种情况下，串联电阻就应该尽量靠近继电器，以限制电缆电容充电时的电流。
In this case, the series resistor should be placed as close to the relay as possible to limit the current when charging the cable capacitance.
电流互感器（CT）饱和时，电流继电器能不能正确动作，一直存在二种载然不同的观点。
There are two different points of view on whether current relay operates correctly or not, when CT saturates.
从理论上分析了同杆并架双回线跨线不接地故障时距离继电器测量阻抗的变化规律。
This paper analyses the rule of variations measuring impedance of distance relay when phase to phase fault occurs between two lines on double circuit line on the same pole (DLSP).
当开关转变为任何变速“开启”的设置时，电流可以通过开关接到地上，继电器开启。
When the switch is turned to any of its variable speed "on" Settings, current can flow though the switch and down to earth to allow the relay to switch on.
数字仿真结果表明，本方法可准确识别故障电流和励磁涌流，即使在空载合闸于内部故障时，保护继电器也能迅速可靠动作，避免了采用二次谐波制动导致的误动问题。
The results of the digital simulation show that the method can identify fault current and energizing inrush current precisely and makes it rapid and reliable for the protective relay to …
尽管在比较激励时间时这类继电器是最快的切换元件，但释放或关断时间却比较长。
Although these are the fastest switching elements when actuation times are compared, the release, or turnoff time, is long.
介绍了风机、水泵类负载起动时间大于15秒以上时，采用热继电器保护的方法，及控制线路在风机上应用的效果。
The article introduces detailedly the methods which are used to protect the hot relays when the fans and pumps loaded starting time is over 15 seconds.
流量开关用于声音报警，灯光报警，当无流量时启动电机、泵等继电器或起动器开关。
Flow switch used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc., when no flow occurs.
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