The voltage changer is also very important in the supply electric system, mastered the protection and calculation.
变压器在供电系统中也是重要的设备，掌握了对它的保护和整定计算方法。
Made the voltage changer and outfeeder's protection setting calculation, mastered the principles of the main apparatus and secondary circuit.
继电保护装置应用于主要电气设备和二次接线回路中； 并熟练掌握了变电所内主要电气设备和二次回路的工作原理。
The utility model discloses an electric energy quality regulator, comprising an original edging voltage changer, a high-frequency transformer and an auxiliary edging voltage changer.
本实用新型公开了一种电能质量调节器，它包括原边电压变换器、高 频变压器和副边电压变换器。
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