Compensation of the frequency dependent systematic error of a time-division watt converter using two multipliers

Jovanovic, L.D.

doi:10.1109/19.744355

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Analysis Of the Error Source2

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2014

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“…1. With the pulse width modulation principle, relationship [3] between modulation frequency and the input voltage as shown in formula (1):…”

Section: Analysis Of the Error Sourcementioning

confidence: 99%

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Improvement on Zero Nonlinear Compensation of Time Division Multiplier

Zhu

2014

AMM

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In order to overcome the power measurement error caused by switch leakage of time division multiplier, in this paper, the mechanism of switch leakage of no-beats time division multiplier was analyzed, and switch leak was tested. On the basis of this, power compensation circuit on zero point correction based on voltage feedback and voltage frequency conversion method is designed, subsequently the compensation effect was tested respectively. Test results show that the zero compensation method based on voltage frequency conversion method is better, the zero error decreased to 0.0022%, the accuracy of the power measurement was improved.

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“…1. With the pulse width modulation principle, relationship [3] between modulation frequency and the input voltage as shown in formula (1):…”

Section: Analysis Of the Error Sourcementioning

confidence: 99%

“…The modulation frequency depends on much accuracy required in power measurement. According to the computer aided analysis results, principle error measurement of AC power of TDM [3]:…”

Section: Analysis Of the Error Sourcementioning

confidence: 99%