- Electricity - Electronics
- Electronic Component
- Current transformer
- Vacuumschmelze GmbH & Co. KG
Current transformer T60404-E46xx seriesdryfor electronicsfor energy meters
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Characteristics
- Type
- current
- Configuration
- dry
- Applications
- for electronics, for energy meters, power line carrier (PLC)
- Electric power
0 kVA
(0 hp)- Primary voltage
0 V
- Secondary voltage
0 V
- Primary current
Min.: 20 A
Max.: 100 A
Description
CURRENT TRANSFORMERS FOR ELECTRONIC ENERGY METERS
The key component in smart meters is the current transducer.
There is a number of functional principles for implementation
of the current transducer.
The shunt resistor is a favourite choice because of its very
low cost and good linearity, but designers have to be aware
of its disadvantages. Because of the regulations concerning
maximum power consumption (2W per phase acc. to IEC
62053 -21, -23), its resistance is limited to some hundreds of
µ. This low value results in very low secondary voltages at
low primary currents.
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Current Transformers
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