VSD

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??????????????????????????????????????????????????
??????(VSD)

• ???????? ?????? WATFORD CONTROL (THAILAND)CO.,LTD

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• ????????????????????????????????

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• P T x N
• P ????????????????? (W)
• T ?????????? (Nm)
• N ??????????????? (RPM)

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????????????????????
1. ?????????????????? (Constant Torque)

• ?????????????
• ????

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????????????????????
2. ???????????????????? (Constant Power)

• ??????????????
• ??????????????

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????????????????????
3. ???????????????????? (Variable Torque)

• ???????
• ?????

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???????????????????????????????? VSDSIEMENS

• LOAD BLOWER 160 KW
• LOAD PUMP 15 KW
• LOAD BLOWER 37 KW

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?????????????????? VSD ?????????????????????????
???? BLOWER 160 KW
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MOTOR BLOWER 160 KW
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VSD SIEMENS 160 KW
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power before
power after
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?????????????????????????????????? VSD SIEMENS

• ??????? ?????? ?????????????
• ?????????????????????
  ??
• ???? ?????????????????? 11 kw

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?????????????????????????????????????

• - VSD SIEMENS (ECO-1100/3)
• 6SE9522-4DG40
• - PRESSURE SENSOR
• 0-10 BAR OUTPUT 4-20 MA

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PRESSURE SENSOR 0-10 BAR OUTPUT 4-20 MA
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VSD SIEMENS (ECO-1100/3) 6SE9522-4DG40
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???????????????????????????? VSD SIEMENS

• ??????? ?????????
• ??????????????????????

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MEASURMENT BY -YOKOGAWA OR 300
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LOAD MOTOR BLOWER 37 KW
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VSD ECO1-3700/3 (6SE 9527-1DJ40)
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BEFORE
AFTER
SAVE