1) hybrid gateway
复合网关
1.
This paper introduces a hybrid gateway based on 1-wire bus and the RS485 bus,and the data acquired by DS18B20 is transmitted to PC via RS485.
介绍一种基于单总线和RS485总线的数字测温复合网关的设计方法,通过该复合网关把数字温度传感器DS18B20采集的温度传输到上位机,实现了温度采集的网络化。
2) complex switch
复合开关
1.
An intelligent complex switch used on low-voltage and no-power compensatory device was indtroduced.
介绍一种用于低压无功补偿装置中的智能复合开关(共补)。
2.
Using complex switch implements the automatic switching of capacitor sets,applying voltage reactive complex switching criterion can effectively avoid such shortcoming as switching oscillation and incomplete compensation with advantages of lowering power consumption and improving voltage quality.
利用复合开关实现电容器组的自动投切,在控制策略上采用了电压无功复合投切判据,有效地克服投切振荡或补偿不充分的缺点,兼顾了降低功率损耗与改善电压质量的作用。
3) composite switch
复合开关
1.
A kind of composite switch was developed to be applied for low voltage reactive power compensation equipment based on single-chip AT89C52 against problems of switching with electromagnetic and electric power electronic circuit breakers on capacitors in reactive power compensation equipment.
针对电磁开关和电力电子开关投切电容器在无功补偿装置应用中存在的问题,研制了一种基于单片机(AT89C52)并应用于低压无功补偿装置的复合开关。
2.
Aimed at the problems exist in the application of contactor and the power electronic device in the reactive power compensation equipment lonely,a kind of capacitance casting-chipping composite switch which is using the parallel connection of thyristor and magnetic latching relay as the main loop was designed to be applied in reactive power compensation equipment based on single-chip PIC16F73.
针对接触器和电力电子器件在低压无功补偿独立应用中存在的问题,设计了一种以PIC单片机为核心,以可控硅与磁保持继电器并联为主回路开关的电容投切复合开关;装置投合后电流由磁保持继电器单独承担,触点功耗很小,且抗谐波强,在投或切的瞬间,通过可控硅和继电器配合工作,补偿响应速度快,过零投切浪涌小;PIC单片机可靠地实现多路信号监测和对可控硅与磁保持继电器的控制,并实现故障自诊断、恢复和指示功能,文章对该电路的结构、基本原理、时序和性能等进行了描述;该设计已经完成测试、改进和开发,批量生产和应用证明收到良好的使用效果。
3.
The paper first analyses the structure and principle of composite switch,discusses the principle and choice of switching moment,introduces the use of Electro-Magnetic Transient Program EMTP,and simulates based on common circulate and experimental data to prove the reliability and accuracy of composite switch.
分析了复合开关的结构和原理,讨论了其投切原则及投切时刻的选取,介绍了电磁暂态仿真程序EMTP的使用,依据常用电路和试验数据进行仿真计算,验证了复合开关投切的可靠性和准确性。
4) compound switch
复合开关
1.
The simulation design of throwing and cutting the compound switch based on EMTP
基于EMTP的复合开关投切仿真应用分析
2.
According to the load characteristic,the actual power consumption situation and the change of the voltage and current of power grid,a reactive power compensation which consists of the JKW series of reactive power automatic compensation controller and FDKS dynamic compound switch was brought forward,so that the accuracy of the switch on/off of the reactive power was ensured.
根据用户负荷特性、实际用电情况以及电网电压、电流变动大小,提出了选择JKW系列无功功率自动补偿控制器和FDKS动态复合开关的无功补偿装置,以确保用户精确无误地控制无功投切。
3.
A kind of intelligent compound switch using for reactive power compensation of low voltage, using a parallel structure of bidirectional silicon-controlled and magnetic latching relay was introduced.
介绍一种用于低压无功补偿装置中的智能型复合开关,它采用双向晶闸管与磁保持继电器并联的工作结构。
补充资料：城域网(见计算机网络)
城域网(见计算机网络)
metropolitan area network, MAN
ehengyuwQng城域网(metropolitan area netwo次，MAN)分布范围可覆盖几个街区到整个城市的计算机网络。见计算机网络。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条