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What is the formula for CT ratio?
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How does a current differential protection scheme handle CT ratio mismatch?

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A 220V/22kV three-phase transformer is connected in star/delta. The protective transformers on the 220V side have a current ratio of 400/5. Calculate the CT ratio on the 22kV side.

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What is CT ratio and VT ratio?
Answer : CT (Current Transformer) ratio and VT (Voltage Transformer) ratio are terms used in electrical engineering to describe the scaling factors of transformers that are used for measuring current and ... and VT) are crucial in protecting the measuring instruments and ensuring safety in power systems....

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How does a high impedance differential protection scheme handle CT saturation?

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How does a high impedance bus differential protection scheme provide stability during CT saturation?

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How does a current transformer (CT) differ from a voltage transformer (VT) in protection systems?

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What is the difference between a current transformer (CT) and a Rogowski coil?
Answer : A **Current Transformer (CT)** and a **Rogowski Coil** are both devices used to measure alternating current (AC), but they work in different ways and have distinct characteristics. Here's a ... to obtain the current value. Each has its own set of advantages depending on the specific application....

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How is CT size calculated?
Answer : The size of a **Current Transformer (CT)** is generally determined based on a few key factors related to the application and the system it is monitoring. Here's how you can calculate or choose ... at the highest expected current. Does that help clarify how to calculate or choose the right CT size?...

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How does the turns ratio relate to voltage transformation?

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What is the turns ratio in a transformer?
Answer : The **turns ratio** in a transformer is the ratio of the number of turns of wire in the primary coil (input side) to the number of turns in the secondary coil (output side). ... to the secondary coil determines whether the transformer increases or decreases the voltage (and inversely, the current)....

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How does a MOSFET's aspect ratio (W/L) affect its current-carrying capacity?

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How does a current differential protection scheme handle current transformer ratio mismatch?

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How do you calculate the turns ratio of a transformer?

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Explain the concept of VSWR (Voltage Standing Wave Ratio).

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How does a boxcar averager improve signal-to-noise ratio?

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