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# 制御と測定

パルス発生器、フィルター、信号変換ブロック

パルスを生成し、信号を変換、フィルター処理、解析、測定します。

## ブロック

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 Voltage Measurement 回路内の電圧測定 Current Measurement 回路内の電流を測定 Three-Phase V-I Measurement Measure three-phase currents and voltages in circuit Multimeter Measure voltages and currents specified in dialog boxes of Simscape Electrical Specialized Power Systems blocks Impedance Measurement Measure impedance of circuit as function of frequency
 Digital Flickermeter Implement digital flickermeter as described in IEC 61000-4-15 standard Fourier Perform Fourier analysis of signal Frequency (Phasor) Measure phasor signal frequency Fundamental (PLL-Driven) Compute fundamental value of signal Mean 信号の平均値を計算 Mean (Phasor) Compute mean value of input phasor over a running window of one cycle of specified frequency Mean (Variable Frequency) Compute mean value of signal PMU (PLL-Based, Positive-Sequence) Implements a phasor measurement unit using a phase-locked loop Positive-Sequence (PLL-Driven) Compute positive-sequence component of three-phase signal at fundamental frequency Power Compute active and reactive powers of voltage-current pair at fundamental frequency Power (3ph, Instantaneous) Compute three-phase instantaneous active and reactive powers Power (3ph, Phasor) Compute three-phase active and reactive powers using three-phase voltage and current phasors Power (PLL-Driven, Positive-Sequence) Compute positive-sequence active and reactive powers Power (Phasor) Compute active and reactive powers using voltage and current phasors Power (Positive-Sequence) Compute positive-sequence active and reactive powers Power (dq0, Instantaneous) Compute three-phase instantaneous active and reactive powers RMS 信号の実際の平方根平均二乗 (RMS) 値を計算 Sequence Analyzer Compute positive-, negative-, and zero-sequence components of three-phase signal Sequence Analyzer (Phasor) Compute sequence components (positive, negative, and zero) of three-phase phasor signal THD Compute total harmonic distortion (THD) of signal
 Overmodulation Add third harmonic or triplen harmonic zero-sequence signal to three-phase signal Pulse Generator (Thyristor) Generate pulses for twelve-pulse and six-pulse thyristor converters PWM Generator (2-Level) Generate pulses for PWM-controlled 2-level converter PWM Generator (3-Level) Generate pulses for PWM-controlled three-level converter PWM Generator (DC-DC) Generate pulse for PWM-controlled DC-DC converter PWM Generator (Interpolation) Carrier-based unipolar PWM generation with interpolation PWM Generator (Multilevel) Generate pulses for PWM-controlled modular multilevel converter PWM Generator (Pulse Averaging) Carrier-based PWM generator with pulse averaging Sawtooth Generator Generate sawtooth waveform at regular intervals Stair Generator Generate signal changing at specified transition times SVPWM Generator (2-Level) Generate pulses for SVPWM-controlled two-level converter SVPWM Generator (3-Level) Generate pulses for SVPWM-controlled three-level converter Three-Phase Programmable Generator Generate three-phase signal with programmable time variation of amplitude, phase, frequency, and harmonics Three-Phase Sine Generator Generate three-phase balanced signal, amplitude, phase, and frequency controlled by block inputs Triangle Generator 一定の間隔で対称三角波形を生成
 Alpha-Beta-Zero to dq0, dq0 to Alpha-Beta-Zero Perform transformation from αβ0 stationary reference frame to dq0 rotating reference frame or the inverse abc to Alpha-Beta-Zero, Alpha-Beta-Zero to abc 三相 (abc) 信号から αβ0 静止基準座標系への変換またはその逆の変換を実行 abc to dq0, dq0 to abc 三相 (abc) 信号から dq0 回転基準座標系への変換またはその逆の変換を実行
 First-Order Filter Implement first-order filter Lead-Lag Filter Implement first-order lead-lag filter Second-Order Filter Implement second-order filter Second-Order Filter (Variable-Tuned) Implement second-order variable-tuned filter
 PLL Determine frequency and fundamental component of signal phase angle PLL (3ph) Determine frequency and fundamental component of three-phase signal phase angle
 Bistable Implement prioritized S-R flip-flop (bistable multivibrator) Edge Detector Detect change in logical signal state Monostable Implement monostable flip-flop (one-shot multivibrator) On/Off Delay Implement switch-on or switch-off delay
 Sample and Hold Sample first input and hold its value based on value of second input Discrete Shift Register Implement serial-in, parallel-out shift register Discrete Variable Time Delay Delay signal by variable time value

## 関数

 `power_fftscope` Fourier analysis of simulation data signals `power_flicker` Perform statistical analysis of instantaneous flicker level signal `power_zmeter` モデルの Impedance Measurement ブロックによるインピーダンスの周波数特性を計算

## トピック

• Park Transformation

Express direct axis, quadratic axis, and zero-sequence components as phase quantities using Park transforms.

• 可変速モーター制御のシミュレーション

特殊ブロックを使用して簡単なモーターのモデル作成と離散化を行います。Powergui ブロックの FFT Analysis ツールを使用して高調波解析を実行します。