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7SG14 Transformer Protection Siemens

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01 / 12 / 2019
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Merupakan perusahaan yang berkonsentrasi dalam bidang electrikal, baik untuk penyediaan material part maupun untuk sarvice, maintenance dan perencanaan electrician untuk industri building dan lain lain. Sesuai dengan moto perusahaan kamu "WE ARE SOLUTION FOR ELECTRICAL"
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Detail 7SG14 Transformer Protection Siemens

High Impedance Restricted Earth Fault per winding ( 87REF) Circuit Breaker Fail per winding ( 50BF) Instantaneous / definite time overcurrent phase fault and derived earth fault per winding ( 50 and 50N) Inverse definite minimum time phase fault and derived earth fault per winding ( 51 and 51N) Instantaneous/ definite time measured earth fault per winding ( 50G) Inverse definite minimum time measured earth fault per winding ( 51G) Overexcitation protection Volts/ frequency ( 2 x DTL + 1 x IDMTL) ( 24) Transformer thermal overload ( 49) 4-stage under/ overvoltage( 27/ 59) 4-stage under/ overfrequency ( 81) 2-stage NPS overcurrent ( 46)
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Detail 7SG14 Transformer Protection Siemens

High Impedance Restricted Earth Fault per winding ( 87REF) Circuit Breaker Fail per winding ( 50BF) Instantaneous / definite time overcurrent phase fault and derived earth fault per winding ( 50 and 50N) Inverse definite minimum time phase fault and derived earth fault per winding ( 51 and 51N) Instantaneous/ definite time measured earth fault per winding ( 50G) Inverse definite minimum time measured earth fault per winding ( 51G) Overexcitation protection Volts/ frequency ( 2 x DTL + 1 x IDMTL) ( 24) Transformer thermal overload ( 49) 4-stage under/ overvoltage( 27/ 59) 4-stage under/ overfrequency ( 81) 2-stage NPS overcurrent ( 46)
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