The ground connection of the light current system, mainly working grounding, aims to prevent electromagnetic noise and assures the equipment to work steadily and reliably.
弱电系统的接地以工作接地为主，目的是为了防止电磁干扰，保证弱电系统中设备稳定、可靠工作。
The system is composed of stable current source, light power feedback, protection circuit, and temperature controller.
该系统包括恒流源、光功率反馈、保护电路、温度控制等部分。
The luminous efficiency of this system can be 86.6%, which has reasonable light distribution curve beyond comparison with current office lighting.
第一、高光效：该光槽系统光效达到了86.6%，光配曲线合理，是现有办公照明无法比拟的高效率照明系统。
A method based on pulse injection was put forward to test the light-current-voltage (LIV) characteristics of laser diode (LD), and a new type of pulse measurement system was developed.
为精确测试半导体激光器(LD)的光功率-电流-电压(LIV)特性，提出一种基于脉冲注入调制的方法，并据此研制新型的LD脉冲测试系统。
In the light of the pickup current of a submersible electric pump being too large when started at full pressure, a new variable frequency control system is developed.
针对电动潜油泵工频全压启动时存在启动电流过大等诸多问题，开发出新型电动潜油泵变频控制系统。
In the unloading process of light oil of tank car, the auxiliary unloading system of light oil pump controlling room is used to substitute the current vacuum unloading system.
在铁路轻油罐车装卸工艺中，采用轻油泵房辅助卸油装置可以替代现有泵房工艺流程中的真空系统。
The part of the light current mainly including: CATV, Public Broadcasting System, Closed Circuit Monitoring TV and Premises Distribution System and so on.
弱电部分主要内容包括：有线电视、公共广播系统及综合布线系统的设计。
Power system Network Node thousands of mixed clouds, active power, reactive power flow, high harmonics, negative sequence current of the speed of light in the system-wide communication.
电力系统中网络结点千百个交织密布，有功潮流、无功潮流、高次谐波、负序电流等以光速在全系统范围传播。
The control system of street light unit USES the constant current to supply, has the function of establish and timing adjustment output.
路灯单元控制系统采用恒流源供电，具有输出功率调整功能，并能定时调整功率。
The control system of street light unit USES the constant current to supply, has the function of establish and timing adjustment output.
路灯单元控制系统采用恒流源供电，具有输出功率调整功能，并能定时调整功率。
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