降压变压器低压AC电源提供照明，仪器仪表和其他使用交流电在一个较低的电压的电路。
Step down transformers provide low voltage AC power for lighting, instruments and other circuits that use alternating current at a lower voltage.
早在上世纪80年代，带变压器的低压照明已经是新技术了，而现在，我们就差没在每个灯光装置里面置入一台“电脑”来控制所用的LED灯了！
Back in the 80s low voltage lighting with transformers was new technology, now we are close to having a computer inside every light fitting to control LEDs!
当电网电压和频率的变化时，分析了电动机、变压器、控制及保护系统、照明系统、通信导航设备等受电器工作的可靠性。
When the variation of bus-bar voltage and frequency occurs, the reliability of electric motors, transformers, control and protection system is analyzed in this thesis.
安装电机、变压器、控制器和照明器材到指定位置，并根据图纸描述完成整个回路。
Mounts motors, transformers, controllers and lighting fixtures into position and completes circuits according to diagram specifications.
照明路灯通过自藕变压器进行调零切换实现有级降压，可以得到不同的节电效果。
Using of change on neutral point for auto-transformer to achieve tap change by step, lighting lamps can have different effects of power-saving.
EFD系列功率型变压器，电感器主要用于电子计算机，照明，仪器仪表等电子设备驱动电路中，具有工作稳定可靠等特点。
EFD series power transformers and inductors are mostly used in the drive circuits of computer, lighting fixture, meters and equipments products' feature: high stability and reliability.
定期检查各开关，操作机构，保护装置，变压器，电容器，UPS照明设施等设备的工作状况；
Periodic check the breaker, switchgear, operation unit, protection device, transformer, capacitor, UPS, lighting fixture working status;
定期检查各开关，操作机构，保护装置，变压器，电容器，UPS照明设施等设备的工作状况；
Periodic check the breaker, switchgear, operation unit, protection device, transformer, capacitor, UPS, lighting fixture working status;
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