single-phase transformer

It introduces the principle of three-coil transformer structure. It also gives a detail analysis for the operation of single-phased three-coil transformer, especially makes a further discussion for the calculation of efficiency and method of trouble shoot maintenance in the process of operation.

介绍了三线圈变压器构造原理，并对单相三线圈变压器运行作了详细的分析，特别对运行中的效率计算和故障维护方法作了进一步探讨。

High accuracy current transformer with small turn is an important sensor to measure leaking current of high voltage electric equipments. A single-turn cored structure current transformer with 500 turns secondary coil is designed.

高精度小匝数电流互感器是测量高压电气设备泄漏电流的一种重要传感器，设计了次级为500匝的单匝穿心式电流互感器。

With simple structure, low cost and agile system, this method is suite for the time transmission in single transformer area.

该方案具有结构简单、设计成本低、系统组织灵活等特点，特别适用于单变压器供电区域内标准时间传递和分配。