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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