The problems in leakage protection and executivecircuit of synthetical protection set in coal electric drill have been analyzed and calculated.
通过分析和计算说明老式煤电钻综合保护装置在漏电保护和执行电路中存在的问题。
2
The volume control circuit is composed of a programming switch and a computer storing magnifying executivecircuit, and can realize the automatic alarming volume control.
音量控制电路由编程开关、电脑存储放大执行电路构成,可实现报警音量自动控制;
3
Linearization compensation funCtions of several transducers can be produced by means of the multifunction translator. And itS principle and executivecircuit are reported.