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KUTAI ELECTRONICS INDUSTRY CO., LTD. 

TEL : +886-7-8121771

 

FAX : +886-7-8121775

 

Website : 

www.kutai.com.tw 

Headquarters : No.3, Ln. 201, Qianfu St., Qianzhen Dist., Kaohsiung City 80664, Taiwan

 

 

 

 
 
 
 
 
 
 
 

EA45A220 

 

Generator Automatic Voltage Regulator 

Operation Manual 

 
 
 
 

 

 

 
 

 

Self Excited Automatic Voltage Regulator 

45 Amp AVR for Carbon Brush Type Generators 

EA45A220HL (Half Wave) / EA45A220FL (Full Wave) 

*Parallel version is available for option

 

Summary of Contents for EA45A220 Series

Page 1: ...arters No 3 Ln 201 Qianfu St Qianzhen Dist Kaohsiung City 80664 Taiwan EA45A220 Generator Automatic Voltage Regulator Operation Manual Self Excited Automatic Voltage Regulator 45 Amp AVR for Carbon Brush Type Generators EA45A220HL Half Wave EA45A220FL Full Wave Parallel version is available for option ...

Page 2: ...EA45A220HL 4 5 kgs 2 External Volts Adjustment EA45A220FL 5 2 kgs 2 6 189 0 330 0 180 0 160 0 169 0 12 Unit mm 150 0 SECTION 2 ADJUSTMENT POWER LAMP Lights up when AVR is powered VOLT Voltage Adjustment Generator output voltage adjustment AUTOMATIC VOLTAGE REGULATOR U F LAMP POWER LAMP F S HI LO STAB VOLT U F STAB Stability Adjustment Correct stability adjustment must be conducted while the genera...

Page 3: ...e U F POT counter clockwise until the voltage starts to decrease U F lamp illuminates re adjust engine speed to rated speed SECTION 5 FIELD FLASHING When the regulator is installed correctly but the generator is failed to generate power Besides carbon brushes were worn out here are two possible causes below 5 1 The polarity of field is inverse Solution Exchange the connection of F and F 5 2 The re...

Page 4: ...nstallation Incorrect wiring connection may result in irreversible damage to the product and other equipments SECTION 6 TROUBLE SHOOTING SYMPTOM POSSIBLE CAUSES SOLUTIONS Voltage does not build up Residual voltage below 5 Vac Field flash is required Incorrect wiring Check wiring diagram for proper connection Engine under speed Increase engine speed to above 25 Hz Carbon brushes were worn out Repla...

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