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IPR-101 (measurement interface)
IPR-104 (measurement interface)

IPR-101 (measurement interface)

The IPR-101 measurement interface is used for cooperation with the THO-24 switch disconnector manufactured by ZPUE SA from Włoszczowa. The principle of the reactance divider is used in the measuring interface. The internal electronic system in the IPR-101 buffers the reactance divider and amplifies the signal obtained to the level of the input voltage range of the controller.

The maximum permissible voltage of the divider is 24kV. The primary rated voltage is 22 / √3kV, and the secondary rated voltage is 6.5 / √3V.

The device is designed for mounting on a 35mm DIN rail.   []

Block diagram and connection method of the IPR-101 measuring interface IPR-101
Exemplary IPR-101 measurement interface

IPR-104 (measurement interface)

The IPR-104 measuring interface is used to measure the voltage from busbars in MV/LV transformer stations. It is designed to work with a 20pF÷31pF capacitor built into the insulator. This capacitor is half of the reactance divider. The internal electronic circuit in the IPR-104 buffers the reactance divider and amplifies the obtained signal to the level of the controller's input voltage range.

The maximum permissible voltage of the divider is 24kV. The primary rated voltage is 22/√3 kV, and the secondary rated voltage is 3.25/√3 V.

The block diagram with the description of the leads is shown below.

The device is designed for mounting on a 35mm DIN rail.   []

Block diagram and connection method of the measurement interface IPR-104
Exemplary IPR-104 measurement interface

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