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Questions tagged [measurment]

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0
votes
2answers
85 views

VSD (Inverter) current measurement on 3 motor phases

I'm working on a project to build a rig for testing various sized Variable Frequency Drives (VSD's / inverters), the kind that you'd use to run a squirrel cage induction motor. The range would be from ...
0
votes
1answer
596 views

Converting negative DC voltage to positive equivalent

Requesting some input on this topic which has already been discussed (partially for my requirement) here: Negative to Positive Voltage Converter I also have a positive-only display and I need to ...
4
votes
4answers
2k views

4-terminal shunt resistor [duplicate]

What is the importance of a 4-terminal shunt resistor? What is real purpose behind using two seperate terminal for the voltage measurement across the shunt resistor?