Northern Lights PX-300K2 Series A.C. Generators Operator's & Parts Manual
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Northern Lights PX-300K2 Series A.C. Generators Operator's & Parts Manual

Px-300k2 series a.c. generators
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PERATOR'S
PERATOR'S
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P
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&
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ANUAL
ANUAL
PX-300K2 SERIES A.C. GENERATORS
ARTS
ARTS
For Generator Models:
PX- 308 K 2 , PX309K2, PX- 310 K 2 , PX- 312 K 2 ,
PX- 316 K 2 , PX- 320 K 2, PX-320C2, PX-325K2,
PX-332K2, and PX-332C2

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Summary of Contents for Northern Lights PX-300K2 Series A.C. Generators

  • Page 1 & ARTS ANUAL ANUAL PX-300K2 SERIES A.C. GENERATORS For Generator Models: PX- 308 K 2 , PX309K2, PX- 310 K 2 , PX- 312 K 2 , PX- 316 K 2 , PX- 320 K 2, PX-320C2, PX-325K2, PX-332K2, and PX-332C2...
  • Page 2 4420 14th Avenue N.W. Seattle, WA 98107 Tel: (206) 789-3880 Fax: (206) 782-5455 Copyright ©2009 Northern Lights, Inc. All rights reserved. Northern Lights™, and the Northern Lights logo are trademarks of Northern Lights, Inc. Printed in U.S.A. PART NO.: OPX300K2 09/10...

  • Page 3: Table Of Contents

    This publication is the property of Northern Lights, Inc. It may not be reproduced in whole or in part without the written permission of Northern Lights, Inc. © Northern Lights, Inc. 2010. All rights reserved. Litho U.S.A. Publication number OPX-300K2 09/10...

  • Page 4: Introduction

    Introduction • Insulation Resistance and Dielectric: When This manual describes procedures for operation, measuring insulation resistance and dielectric, be maintenance, inspection and adjustment. It will help the sure to disconnect the AVR and rectifi er. operator realize peak performance through effective, economical and safe operation.

  • Page 5: Models And Serial Numbers

    M984W ............PX-332K2 M33CW ............PX-332C2 SERIAL NUMBERS • When referencing Northern Lights equip ment by serial number, it is important to differentiate between the engine, generator end, and generator set serial numbers. • The engine serial number is either on a metal tag or stamped directly into the engine block.

  • Page 6: Mechanical Construction

    Mechanical Construction STATOR COUPLING WITH PRIME MOVER The stator frame is fabricated from rolled steel. The PX-300K series single bearing generators make round construction provides rigidity and strength to centering and direct coupling easy. Coupling bolt size resist excessive mechanical shocks. The stator core is and torque will vary according to the engine made of high quality silicon steel plates coated with manufacturer.

  • Page 7: Performance And Function

    Performance and Function EXCITATION SYSTEM The excitation system of the PX-300K Series genera tor uses an Automatic Voltage Regulator (AVR) which uses a portion of the output power to supply controlled DC power to the exciter fi eld (EX) as show in Figure 2. When DC power is supplied to the exciter fi...

  • Page 8: Characteristics

    Characteristics VOLTAGE REGULATION SHORT CIRCUIT ± Generator terminal voltage regulation is within 1% of the PX-300K2 Series AC generators can provide over 300% rated voltage in lagging power factor. 1.0 to 0.8, when the of the rated current for a short period of time, with an load is varied gradually from no load to full load.

  • Page 9: Operation - Generator Set

    Operation – Generator Set STARTING STOPPING Before starting generator, check the following: After putting the running generator in a no-load condition 1. Make sure that the wiring is correct. by removing the generator load, stop the engine in 2. Be sure that nothing is blocking the air inlet/ outlet. accordance with the Engine Manual.

  • Page 10: Operation - Voltage Regulator

    Operation – Automatic Voltage Regulator SAFETY RULES 2. Voltage Adjustment: • Do not leave AVR connected when testing generator If the voltage output is low, increase the voltage by with high-pot or megger. turning the Voltage Adjust (VR1) slowly clockwise. •...

  • Page 11: Maintenance

    Maintenance BEARING INSPECTION b. Using a bearing puller, extract bearing from For bearing inspection, make sure that there is no abnormal sound during normal running and no over- shaft. c. When installing a new bearing, place a steel pipe heating. Greasing is not necessary for generators using the on the inner race surface, and fi...
  • Page 12 Maintenance 2. Replacement of Rotary Rectifi er Parts: • Good surge absorber elements have about 10-30 K a. Rotary rectifi er parts are all located at the rear ohms, but if the resistance reading is near 0 ohms, of Exciter rotor. For parts replacement, remove the surge absorber elements is defective and must be the bearing shield.

  • Page 13: Automatic Voltage Regulator Maintenance

    4. Rotating Rectifi er Assembly Detailed Structure: Figure 9. Rotating Rectifi er. Maintenance – Automatic Voltage Regulator 1. Keep the AVR clean at all times. Make sure no dust or moisture accumulates on the AVR. 2. Inspect periodically making sure that wiring connections are not loose. OPX300K2 05/12...

  • Page 14: Generator Specifi Cations

    Generator Specifi cations: Taiyo Winding Resistances All ratings in Ohms @ 20° C Model Number 1 Phase 3 Phase MAIN PX-308K2 0.588 ohms 0.656 ohms STATOR: PX-309K2 0.588 ohms 0.656 ohms PX-310K2 0.527 ohms 0.436 ohms PX-312K2 0.298 ohms 0.315 ohms PX-316K2 0.234 ohms 0.198 ohms...

  • Page 15: Generator Specifi Cations

    Generator Specifi cations: Taiyo Winding Resistances All ratings in Ohms @ 20° C Model Number 1 Phase 3 Phase EXCITER PX-308K2 & PX-309K2 0.510 ohms 0.510 ohms ROTOR: PX-310K2 0.510 ohms 0.510 ohms PX-312K2 0.510 ohms 0.510 ohms PX-316K2 0.530 ohms 0.530 ohms PX-320K2 &...

  • Page 16: Voltage Regulator Specifi Cations

    Automatic Voltage Regulator: DST-100-2FAK Sensing Output Frequency 50 Hz 60 Hz Voltage 100 Volt Class 100V 120V (86.5V~110V~120V) 200 Volt Class 200V 240V (173V~220V~240V) Phase: Single Phase Single Phase Power Input Voltage: 100V ~ 127V ~ 139V Frequency: 50 Hz / 60 Hz Phase: Single Phase...

  • Page 17: Troubleshooting

    Trouble Shooting PROBLEM POSSIBLE CAUSE RECOMMENDATION(S) Only a FEW VOLTS Loss of residual magnetism of the exiter fi eld • Flash fi eld. of output Disconnection or short circuit of windings • Check the insulation of all windings and check the resistance value. Defective AVR •...

  • Page 18: Parts List

    updated 9-13-10 PX-300K2 Series Parts List PX308 to PX316K2 generators 3T102-344 No Description PX-308K2 PX-309K2 PX-310K2 PX-312K2 PX-316K2 Stator Assembly WKC-00112-ST WKC-00112-ST WKC-00094-ST WKC-00095-ST WKC-00096-ST (1-Phase) Stator Assembly WKC-00113-ST WKC-00113-ST WKC-00101-ST WKC-00102-ST WKC-00103-ST (3-Phase) Rotor Assembly WKC-00112-RT WKC-00112-RT WKC-00094-RT WKC-00095-RT WKC-00096-RT Rotor Fan 3T301-254-4...
  • Page 19 updated 9-13-10 PX-300K2 Series Parts List PX332K2 generators 3T102-344 PX320 to PX325K2 generators No Description PX-320K2 PX-325K2 PX-332K2 Stator Assembly WKC-00097-ST WKC-00098-ST WKC-00099-ST (1-Phase) Stator Assembly WKC-00104-ST WKC-00105-ST WKC-00106-ST (3-Phase) Rotor Assembly WKC-00097-RT WKC-00098-RT WKC-00099-RT Rotor Fan 3T301-255-4 3T301-255-4 3T301-553 Excitor Stator Assembly WKC-00108-ST WKC-00108-ST...
  • Page 20 page corrected 5/24/12 PX-320C2 Parts List PX320C PX320C2 generator No Description PX-320C2 Stator Assembly WKC-00104-5-ST Rotor Assembly WKC-00104-5-RT Excitor Stator Assembly WKC-00108-ST Rectifi er Assembly 3T201-084-3* replaces 3T201-084 Bearing Shield 3T301-253-4 O-Ring 1AG72 Ball Bearing 6306ZZ Ventilation Cover 3T302-896 (M Type) Junction Box 3T303-290-2 (M Type)
  • Page 21 updated 5-18-10 PX-332C2 Parts List 3T102-344 PX332C2 generator No Description PX-332C2 Stator Assembly WKC-00099-ST (1-Phase) Stator Assembly WKC-00106-ST (3-Phase) Rotor Assembly WKC-00099-RT Rotor Fan 3T301-553 Excitor Stator Assembly WKC-00109-ST (1-Phase) Rectifi er Assembly 3T201-084-3* replaces 3T201-084 Bearing Shield 3T301-349-2 O-Ring 1BG90 Ball Bearing 6308ZZ...
  • Page 22 PX-308K2 to PX-320K2 Junction Box, Single Phase 3T102-346 Description Part Number Grommet NG-79-R Circuit Breaker 22-42043 Terminal 22-42036 Plug 3191-09P Automatic Voltage Regulator (DST-100-2FAK) 22-42071 Circuit Breaker 2 Amp x 3 Amp 2 Pole 22-42084* replaces 22-42077 Rubber Tube Rubber Mount 33-40007 (4 ea.) Bracket, Junction Box 4T301-309...
  • Page 23 PX-325K2 Junction Box, Single Phase 3T102-347 Description Part Number Grommet NG-79-R Circuit Breaker 15 Amp 22-42043 Terminal UKT100-4J Automatic Voltage Regulator (DST-100-2FAK) 22-42071 Plug 3191-09P Circuit Breaker 2 Amp x 3 Amp 2 Pole 22-42084* replaces 22-42077 Rubber Tube Rubber Mount 33-40007 (4 ea.) Bracket, Junction Box 4T301-309...
  • Page 24 PX-332K2 Junction Box, Single Phase 3T102-348 Description Part Number Junction Box 3T303-291-3* replaces 3T303-291-1 Bracket, Junction Box Mounting 3T302-782-1 (2 ea.) Top Panel 4T302-144 Side Panel 4T302-859 (2 ea.) Grommet 4M911-018 Plug 3191-09P Grommet NG-79-R Terminal Strip 22-45413 Circuit Breaker 15 Amp 22-42043 Circuit Breaker 2 Amp x 3 Amp 2 Pole 22-42084**...
  • Page 25 PX-308K2 to PX-325K2 Junction Box, Three Phase 3T102-350 Description Part Number Grommet NG-79-R Circuit Breaker 15 Amp 22-42043 Terminal Strip TE-K22-4 Terminal UKT60-3J Automatic Voltage Regulator (DST-100-2FAK) 22-42071 Circuit Breaker 2 Amp x 3 Amp 2 Pole 22-42084* replaces 22-42077 Rubber Tube Rubber Mount 33-40007 (4 ea.)
  • Page 26 PX-332K2 Junction Box, Three Phase 3T102-351 Description Part Number Junction Box 3T303-298-3* replaces 3T303-298-1 Bracket, Junction Box Mounting 3T302-782-1 (2 ea.) Top Panel 4T302-144 Side Panel 4T302-859 (2 ea.) Grommet G-1** replaces 4M911-018 Plug 3191-09P Grommet NG-79-R Spacer 4T301-310 (2 ea.) Terminal (for output) 22-45413 Terminal (for output)

  • Page 27: Wiring Diagram Avr Dst-100-2Fak

    OPX300K2 05/12...
  • Page 28 NORTHERN LIGHTS 4420 14th AVE. N.W. SEATTLE, WA 98107-5043 TEL: (206) 789-3880 FAX: (206) 782-5455 http://www.northern-lights.com...

This manual is also suitable for:

Px-308k2Px309k2Px-310k2Px-312k2Px-316k2Px-320k2 ... Show all

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