High Voltage Schering Bridge

High Voltage Schering Bridge

The High Voltage  Schering bridge one in every of the most normally used AC bridge. The Schering bridge works on the principle of Equal the load on its arm.


Fig. 1 shows where the specimen has been represented by a parallel combination of Rp and Cp.
Let, C1 – capacitor Which capacitance is to be determined,
r1 – a series of resistance, Indicate the loss of the capacitor C1.
C2 – a standard capacitor
R3 – a non-inductive resistance
C4 – a variable capacitor.
R4 – a variable non-inductive resistance
At balance condition
Z1/Z2 = Z3/Z4
Z1Z4 = Z2Z3
high voltage schering bridge
high voltage Schering bridge

Applications of Schering Bridge

Applications Are capacity and dielectric, loss measurement of all kinds of capacitances, for instance, cables, insulators, and liquid insulating materials.


Why bridge is used for measurement of small capacitance

It is suitable for the measurement of small capacitance equipment. as the bridge uses either high voltage or high-frequency provide. If measurements for such low capacity equipment is carried out at low voltage, the results so obtained are not accurate.
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High Voltage Schering Bridge In High Voltage Engineering
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