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Bridge Circuits

Schering Bridge Construction and Theory

October 22, 2019March 4, 2019

Schering Bridge is very important capacitance measuring bridge circuit. It is also capable of measuring the dielectric loss of the capacitor in addition to its capacitance value. It compares the capacitance of an imperfect capacitor …

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De Sauty Bridge Construction Circuit and Theory

September 19, 2019March 3, 2019

De Sauty Bridge is a very simple type of AC Bridge used to measure capacitance. Here we measure in unknown capacitance in terms of known capacitance and known resistance. Hence, we design a De Sauty …

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Heaviside Campbell Equal Ratio Bridge

September 12, 2019March 3, 2019

This is an AC bridge. This Bridge uses mutual inductance to measure self-inductance over a wide range. Heaviside Campbell Equal Ratio Bridge employees a standard variable mutual inductance for the purpose. We connect the primary …

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Owen Bridge Circuit and Theory of Owen Bridge

September 19, 2019March 3, 2019

We generally use an Owen bridge to measure inductance in a wide range. Here we can measure the value of inductance in terms of capacitance and resistance only. Before going to actual theory of Owen …

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Hay Bridge Circuit Construction and Theory of Hay Bridge

June 12, 2019March 2, 2019

Like an Anderson Bridge, Hay Bridge is another modified version of Maxwell Wien Bridge. We mainly use this bridge when the phase angle of the measuring inductive impedance is large enough. Construction of Hay Bridge …

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Anderson’s Bridge Circuit and Theory of Anderson Bridge

September 12, 2019March 1, 2019

For very accurate measurement of inductance, we have to modify the Maxwell Wien Bridge.  And then, we call this modified form as Anderson’s bridge. Here actually, we compare the unknown inductance with a standard fixed …

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Maxwell Wien Bridge Circuit and Theory

September 12, 2019March 1, 2019

This is the modified version of simple Maxwell Bridge. In Maxwell Bridge, we find the value of unknown inductance in terms of known inductance. Instead of using a variable inductor in Maxwell Wien Bridge, we …

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Maxwell Bridge Construction and Theory of Maxwell Bridge

September 15, 2019February 28, 2019

We normally use a Maxwell bridge to measure medium inductances. We can also arrange this bridge to yield the result of the measurement to a considerable precision. There are two inductive arms and two purely …

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AC Bridge and Theory of AC Bridge

September 12, 2019February 27, 2019

We use these bridges for measurement of inductances and capacitances in the most accurate manner. Principally, an AC Bridge is similar to the Wheatstone bridge. Like Wheatstone Bridge, it has also four arms. Instead of …

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Varley Loop Test for Finding Fault Location in Cable

September 10, 2019February 27, 2019

We use Varley loop test to find out the fault location of an underground cable. Like Murray loop test, we also apply a Wheatstone bridge circuit to perform the Varley loop test. Unlike in Murray …

Read moreVarley Loop Test for Finding Fault Location in Cable

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