Study in order to start the large motor during voltage dip caused by starting currentFull description
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Motor Starting Study Exercise ETAPFull description
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ETAP Motor Starting Study
Japs says : Compare easy studyFull description
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Descripción: The continuous thermal rating for a range of typical 132kV 3 phase SL type cables have been investigated for a series of installation environments, including: • Burial in sea bed at depths of 1m a...
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Calc Calcul ulat ate e Siz Size e of of Tra Trans nsfo form rmer er an and d Vol Volta tage ge dr :Transformer Detail: Transformer Size Transformer Secondary Voltage:(v2) % Impedance: (z) Allowable Voltage Drop in System: System: :Motor Detail ( Only One No of Motor): Motor Size: Volt (vm): (L-L) Power Factor: Motor KVA
1000 480 5.75% 10% 300 460 0.8 240
Motor Code: (Kva/Hp) InRush Current at Starting:(Enter If you know otherwise leave it blank) Enter Motor Full Load Current( Enter If you know otherwise leave it blank ) Motor Full Load Current: (ILM) Locaked Rotor Current Multiplier: (Min) Locaked Rotor Current Multiplier: (Max) Locaked Rotor Current (L1): (Min) Locaked Rotor Current (L2): (Max) Motor InRush KVA At Starting: (IrsM) How many times Motor Starts per Hours :Calculations: Full Load Current of Transformer : (ILX) Short Circuit Current at Transformer Secondary: (Isc) Max KVA of Transformer at Isc: Q1 Motor InRush KVA At Starting:(IrsM) Voltage Drop at Transformer Secondary Due to Motor inRush: (Vd) Transformer Secondary Voltage :Result: (1) Motor Full Load Current <= 65% Transformer Full Load Current (2) Voltage Drop at Transformer Secondary Due to Motor inRush (3) Transformer Size:(20% Added due to motor starts more than once/Hour)
:Transformer Detail: Transformer Size Transformer Secondary Voltage:(v2) % Impedance: (z) Allowable Voltage Drop in System: :Motors Detail ( More Than One No of Motor): Total KW of Three Phase Motors: Total KW of Single Phase Motors: Volt: (L-L) Volt: (L-N) Power Factor:
Amp
Locaked Rotor Current: (Max) Total Three Phase Motors Full Load Current Total Single Phase Motors Full Load Current Total Motors Full Load Current Motor InRush KVA At Starting
:Calculations: Full Load Current of Transform er : (IL) Short Circuit Current at Transfor mer Secondary: (Isc) Max KVA of Transformer at Isc Motor InRush KVA At Starting Voltage Drop at Transformer Secondary Due to Motor inRush Transformer Secondary Voltage :Result: (1) Motor Full Load Current <= 65% Transformer Full Load Current (2) Voltage Drop at Transformer Secondary Due to Motor inRush (3) Transformer Size: