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LTspiceを活用した整流回路シミュレーション
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LTspiceを活用した整流回路シミュレーション

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LTspiceを活用し、整流回路シミュレーションを行いました。出力の電解コンデンサのESRの影響をリップル波形にて波形検証を行っています。

LTspiceを活用し、整流回路シミュレーションを行いました。出力の電解コンデンサのESRの影響をリップル波形にて波形検証を行っています。

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  • 1. All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 LTspice を活用した整流回路シミュレーション 株式会社ビー・テクノロジー http://www.beetech.info/ 2011 年 6 月 9 日 電解コンデンサの ESR の影響を検証する
  • 2. Contents
    • AC Input Voltage
    • Case1: Ripple Output Voltage with Small ESR
    • Case2: Ripple Output Voltage with Large ESR
    • Comparison Result
    • Case 1 is Device Modeling (3 element Model)
    • Case 2 is No modeling
    All Rights Reserved Copyright (C) Bee Technologies Corporation 2011
  • 3. 1. AC Input Voltage All Rights Reserved Copyright (C) Bee Technologies Corporation 2011
  • 4. 1. AC Input Voltage
    • Measurement
    • Simulation
    All Rights Reserved Copyright (C) Bee Technologies Corporation 2011
  • 5. 2. Case1: Ripple Output Voltage with Small ESR All Rights Reserved Copyright (C) Bee Technologies Corporation 2011
  • 6. 2. Case1: Ripple Output Voltage with Small ESR
    • Measurement
    • Simulation
    All Rights Reserved Copyright (C) Bee Technologies Corporation 2011  Vripple @ESR=21.7496m  Vripple(Simulation)= 297.97mV  Vripple(Measurement)= 297.47mV
  • 7. 3. Case2: Ripple Output Voltage with Large ESR All Rights Reserved Copyright (C) Bee Technologies Corporation 2011
  • 8. 3. Case2: Ripple Output Voltage with Large ESR
    • Measurement
    • Simulation
    All Rights Reserved Copyright (C) Bee Technologies Corporation 2011  Vripple(Measurement)= 297.47mV @ESR=1000m  Vripple(Simulation)= 617.53mV  Vripple
  • 9. 4. Comparison Result All Rights Reserved Copyright (C) Bee Technologies Corporation 2011  Vripple Measurement Simulation Case1: @ESR=21.7496m 297.47 (mV) 297.97 (mV) Case2: @ESR=1000m 297.47 (mV) 617.53 (mV)