开关

Reelcraft has several types of switches and speed controls available. These switches are motor size specific and must be wired properly for the hose reel to function correctly.

锐技卷轴公司有许多各种类型的开关和速度控制装置，这些开关装置都是和电机配套的，并且需要正确的安装才能发挥出它的功效。

The transfer function of the LLC resonant converter can be obtained by using the circuit impedance, ratio of resonant inductance, and quality factor.

其后级之半桥LLC谐振式转换器藉由推导电路阻抗、谐振电感比例值与品质因数得到转移函数，以及利用适当的谐振电路的设计与切换频率的调变的方式达到输出电压稳定，并且令功率开关具有零电压切换之功用，以降低功率开关的切换损失。

The main products TQSW no local place-frequency electrical impulse voltage testing transformer test sets of series resonant frequency generator unit test transformer dry-type high-voltage testing transformer the ball-gap discharge frequency divider DC High-frequency DC generator, generator, inverter-current multi-function grounding impedance test system-current generator (up-flow device) performance of an integrated test bed Transformer Partial Discharge Detector mechanical properties of high-voltage switches Vacuum Tester Tester Tester Loop Resistance transformer capacity Tester-Load Switching Test Transformer tumor resistance measurement Transformer turns ratio tester tester MOA group tester insulating oil dielectric strength tester transformer loss parameter Intelligent Tester transformer loss-line parameter tester frequency interference dielectric loss dielectric loss tester anti-interference relay tester Ground Yin Xiaxian conduction tester cable fault tester tester tester generator rotor impedance large Grounding Resistance Tester Tester transformer features an integrated micro-moisture meter aperture automatic flash point tester Automatic Closed flash point detector vacuum oil filter boots pressure test device (automatic, semi-automatic) nuclear phase Instrument Series wireless digital core Instrument security tools relative to the mechanical properties testing machine clamp grounding resistance of grounding resistance measuring instrument digital megger digital high-voltage insulation resistance tester and a scalable high-altitude test tools, digital dual-phase volt-ampere facade sequence table clamp Three-phase Power Parameters Tester Calibrator lightning strike counter dedicated test wire, clamping insulation boards, pipe, cable tray mats polyimide film conductor line busbar electric appliances

扬州市苏博电气有限公司扬州市苏博电气有限公司主要产品有TQSW无局部放电工频试验变压器冲击电压发生器变频串联谐振试验成套装置试验变压器干式试验变压器高压分压器放电球隙中频直流发生器高频直流发生器变频大电流多功能接地阻抗测试系统大电流发生器变压器性能综合测试台局部放电检测仪高压开关机械特性测试仪真空度测试仪回路电阻测试仪变压器容量测试仪变压器有载开关测试仪变压器肿瘤电阻测试仪变压器变比组别测试仪氧化锌避雷器测试仪绝缘油介电强度测试仪变压器损耗参数智能测试仪变压器损耗线路参数综合测试仪变频抗干扰介质损耗测试仪抗干扰介质损耗测试仪继电保护测试仪接地引下线导通测试仪电缆故障测试仪发电机转子交流阻抗测试仪大型地网接地电阻测试仪互感器特性综合测试仪微量水分测定仪开口闪点全自动测定仪闭口闪点全自动测定仪真空滤油机绝缘靴耐压试验装置核相仪系列无线数字核相仪安全工具力学性能试验机钳形接地电阻仪接地电阻测量仪数字兆欧表数字高压绝缘电阻测试仪可伸缩高空测试工具数字双钳相位伏安表相序表三相电力参数测试仪雷击计数器校验仪专用测试导线，钳绝缘板，管，垫聚酰亚胺薄膜电缆桥架滑触线母线槽电热电器

In the inverter only one switching device is used to produce zero voltage instants under all load conditions.

该逆变器只采用一个开关器件来产生所有负载条件下的零电压开关间隙。

This not only enhances substation performance, but also saves on investment, eg, cables for secondary instrument transformer circuits and for the control of circuit breakers, disconnectors, and earthing switches.

这不仅可以提高变电站的性能，而且可以节省投资，例如，可以节省二次互感器电路、断路器控制、隔离开关和接地开关中所用的电缆数量。

Along with the electric power electronic technology's development and the innovation, cause the switching power supply technology to innovate unceasingly, this cost point of inversion to the low output electric power end migration, this has provided the widespread development opportunities day by day for the switching power supply.

随着电力电子技术的发展和创新，使得开关电源技术在不断地创新，这一成本反转点日益向低输出电力端移动，这为开关电源提供了广泛的发展空间。

Along with the electric power electronic technology development and the innovation, causes the switching power supply technology in to innovate unceasingly, this cost point of inversion to the low output electric power end migration, this has provided the widespread development space day by day for the switching power supply.

随着电力电子技术的发展和创新，使得开关电源技术在不断地创新，这一成本反转点日益向低输出电力端移动，这为开关电源提供了广泛的发展空间。

In this paper, a soft-switching technology scheme, which can be applied to vehicle-carried invertors, has been researched at the base of engineering practice .The principle and control strategies of soft-swiching are also discussed in detail. Furthermore, software and hardware components are discussed particularly by using shift phase control technology properly and the combination of DSP and IGBT.in result, the vehicle-carried invertors have the characteristics of small volume, light weight, high integration and high frequency.

本论文从实际应用的角度出发，研究适用于车载逆变器的软开关技术方案，详细分析了软开关技术的原理与控制策略，将移相控制技术合理利用和改进，用DSP与IGBT组合搭配，对逆变器的软件和硬件组成做细致的研究，使车载逆变器具有体积小、重量轻、集成度高和高频性能等优点。

Including the lamp switch, the lamp accent light, the air conditioning switch, warm controls and so on the function, has realized the function which the hotel red jottings controls.

其中包括灯的开关，灯的调光，空调的开关、温控等功能，实现了酒店红外集控的功能。

If you show an open circuit, place a jumper wire across the CC and CC connections on the terminal block.

如果显示断路，就装一根跨接线接冷控制开关和将冷控制开关接线端。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。