The principle and structure of the resonance-proof three phase voltage transformer used in the neutral insulation system are discussed. The connection errors brought about in operation are presented.
2
绝缘气体压力的变化对光电电压互感器的影响不可忽视，这是新的传感原理引出的新问题。
The influence of the insulation gas pressure change on optical voltage transformer couldn't be neglected. It's a new problem created by the new sensing principle.
3
针对基于电容分压原理的电子式电压互感器的相位误差，提出了相位补偿方案。
Aiming at the phase error of the electronic voltage transformer (EVT) with capacitive divider, a phase compensation scheme was proposed.
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