Campbell-scientific CS10-L and CS15-L Current Transformers Instrukcja Użytkownika Pobierz pdf (Strona 21)

Appendix A. Theory of Operation

A.1 Typical Electrical Circuit

An example of a typical electrical circuit is a generator that provides energy in

the form of a 60-Hz sine wave. The energy is carried from the point of

generation to the point of consumption via two wires. The generator creates an

electrical load that lights up the light bulb (see Figure A-1).

FIGURE A-1. Generator schematic

If we want to know the consumption (amps) of the load, we need a way to

measure what is passing through the wires.

We can add a sensor into the circuit to measure the amperage going through

the circuit (see Figures A-2 through Figure A-4). This sensor is called a CT or

Current Transformer. Our CS10 and CS15 are current transformers.

A-1

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Campbell-scientific CS10-L and CS15-L Current Transformers Instrukcja Użytkownika Strona 21