With the parameters of a real dry-type air-core reactor, the emulation analysis verifies that the impulse-voltage method is suitable to test its turn-to-turn insulation.
As an example, the coefficient matrix of the turn-to-turn fault is given.
以匝间短路为例,给出了系数变化矩阵。
Damage be divided into two: one is a good set of stator shielding, and the occurrence of stator windings, the breakdown phase, the coil turn-to-turn short circuit, overload caused by burnt windings.
The new turn-to-turn insulation system is presented.
提出了新型匝间绝缘结构。
The paper proposes a novel shunt reactors turn-to-turn fault protection that is based on negative-sequence power direction theory.
提出了基于负序功率方向的并联电抗器匝间故障保护原理。
The paper introduces a type of the turn-to-turn insulation test equipment including an impulse-voltage generator and a peak voltmeter for the electrical machine pole coil.
It can be used for interlayer isolation of gas or oil insulation system, especially interlayer insulation and turn-to-turn insulation of sulfur hexafluoride mutual inductors and transformers.
可在气体或油的绝缘系统内作层间绝缘。主要用于六氟化硫互感器和变压器的层间绝缘及匝间绝缘。
The advantages lie in that the electromagnetic coil turns and turn-to-turn distance can be randomly regulated to generate frequency changes and magnetic field distribution changes.
可任意调节电磁线圈匝数,匝间距离,产 生频率变化磁场分布变化。
Moreover, the sensitivity of turn-to-turn fault of shunt reactor protection was analyzed and a method of adaptive compensated zero sequence direction was presented.