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EI silicon steel sheet low frequency voltage transformer EI19 horizontal 1000:1 2000:1
The impedance of voltage transformer itself is very small. Once the secondary edge is short-circuited, the current will increase sharply and burn down the coil. Therefore, the original side of the voltage transformer is connected with a fuse, and the secondary side is grounded reliably, so as to avoid personal and equipment accidents caused by the high potential to the ground when the insulation of the primary side and the secondary side is damaged.
Voltage transformers used for measurement are generally made into single-phase double coil structure, and the original side voltage is the measured voltage (such as the line voltage of the power system), which can be used in single phase or connected into two V-V for three phases. The voltage transformers used in the laboratory are often tap at the original edge to meet the needs of measuring different voltages. Voltage transformer for protection grounding also has a third coil, called three Coil voltage transformer. The third coil of the three phase is connected into an open triangle, and the two leading ends of the open triangle are connected with the voltage coil of the grounding protection relay.
EI silicon steel sheet low frequency voltage transformer EI19 horizontal 1000:1 2000:1
| Specifications | EI19 Vertical 1000:2 2000:2 |
| Product material | Z11 silicon steel sheet |
| Product Size | 19.5MM*18MM*19MM |
EI19 horizontal 1000:1 2000:1
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