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Northern Lights PX-300K2 Series A.C. Generators Operator's & parts manual

Manual is about: For Generator Models: PX-308K2, PX309K2, PX-310K2, PX-312K2, PX-316K2, PX-320K2, PX-320C2, PX-325K2, PX-332K2, PX-332C2

Summary of PX-300K2 Series A.C. Generators

  • Page 1

    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 o perator’s & p arts m anual o perator’s & p arts m anual.

  • Page 2

    Northern lights 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 diesel engine e...

  • Page 3: Perator’S &

    Opx300k2 05/12 3 o perator’s & p arts m anual px-300k2 series a.C. Generators for generator models: px-308k2, px-309k2, px-310k2, px-312k2, px-316k2, px-320k2, px-320c2, px-325k2, px-332k2, and px-332c2 read this manual thoroughly before starting your equipment. This manual contains information need...

  • Page 4

    Opx300k2 05/12 4 introduction this manual describes procedures for operation, maintenance, inspection and adjustment. It will help the operator realize peak performance through effective, economical and safe operation. • read this manual carefully before operating the generator. • study this manual ...

  • Page 5

    Opx300k2 05/12 5 ac generator data generator set data northern lights, inc., wa usa www.Northern-lights.Com model no. Serial no. Duty kw kva rpm hertz phase °c rise rule wire insul amb°c pf volts volts amps amps set serial set model model and serial numbers generator end model numbers generator set ...

  • Page 6

    Opx300k2 05/12 6 mechanical construction stator the stator frame is fabricated from rolled steel. The round construction provides rigidity and strength to resist excessive mechanical shocks. The stator core is made of high quality silicon steel plates coated with insulating fi lm for prevention of e...

  • Page 7

    Opx300k2 05/12 7 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 supplie...

  • Page 8

    Opx300k2 05/12 8 characteristics voltage regulation generator terminal voltage regulation is within ± 1% of the rated voltage in lagging power factor. 1.0 to 0.8, when the load is varied gradually from no load to full load. This value includes the temperature drift and rotating variation. Response a...

  • Page 9

    Opx300k2 05/12 9 operation – generator set starting before starting generator, check the following: 1. Make sure that the wiring is correct. 2. Be sure that nothing is blocking the air inlet/ outlet. 3. Make sure that the inside of the generator is clean. 4. Be sure the main line circuit breaker is ...

  • Page 10

    Opx300k2 05/12 10 operation – automatic voltage regulator safety rules • do not leave avr connected when testing generator with high-pot or megger. • adjust the engine only when the cpr is in “off” position. Operation 1. Make sure the wiring is correct. 2. Make sure the frequency selection switch is...

  • Page 11

    Opx300k2 05/12 11 maintenance bearing inspection for bearing inspection, make sure that there is no abnormal sound during normal running and no over- heating. Greasing is not necessary for generators using the double seal type ball bearings, but these will need to be replaced after every 10,000 hour...

  • Page 12

    Opx300k2 05/12 12 maintenance 2. Replacement of rotary rectifi er parts: a. Rotary rectifi er parts are all located at the rear of exciter rotor. For parts replacement, remove the bearing shield. B. To test the rotating rectifi er diodes, disconnect the lead to the diode element and measure the resi...

  • Page 13

    Opx300k2 05/12 13 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...

  • Page 14

    Opx300k2 05/12 14 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 px-3...

  • Page 15

    Opx300k2 05/12 15 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 & px-320c2 0.530 ohms 0.530 ohms px-325k2 0.530 ohms 0.530 ohms px-332k2 & px-332c2 0.580 ohms...

  • Page 16

    Opx300k2 05/12 16 sensing output frequency 50 hz 60 hz voltage 100 volt class 100v (86.5v~110v~120v) 120v 200 volt class 200v (173v~220v~240v) 240v phase: single phase single phase power input voltage: 100v ~ 127v ~ 139v frequency: 50 hz / 60 hz phase: single phase single phase sensing output max. V...

  • Page 17

    Opx300k2 05/12 17 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 • che...

  • Page 18

    Opx300k2 05/12 18 no description px-308k2 px-309k2 px-310k2 px-312k2 px-316k2 1 stator assembly (1-phase) wkc-00112-st wkc-00112-st wkc-00094-st wkc-00095-st wkc-00096-st stator assembly (3-phase) wkc-00113-st wkc-00113-st wkc-00101-st wkc-00102-st wkc-00103-st 2 rotor assembly wkc-00112-rt wkc-0011...

  • Page 19

    Opx300k2 05/12 19 no description px-320k2 px-325k2 px-332k2 1 stator assembly (1-phase) wkc-00097-st wkc-00098-st wkc-00099-st stator assembly (3-phase) wkc-00104-st wkc-00105-st wkc-00106-st 2 rotor assembly wkc-00097-rt wkc-00098-rt wkc-00099-rt 3 rotor fan 3t301-255-4 3t301-255-4 3t301-553 4 exci...

  • Page 20

    Opx300k2 05/12 20 page corrected 5/24/12 no description px-320c2 1 stator assembly wkc-00104-5-st 2 rotor assembly wkc-00104-5-rt 3 excitor stator assembly wkc-00108-st 4 rectifi er assembly 3t201-084-3* * replaces 3t201-084 5 bearing shield 3t301-253-4 6 o-ring 1ag72 7 ball bearing 6306zz 8 ventila...

  • Page 21

    Opx300k2 05/12 21 px332c2 generator 3t102-344 px-332c2 parts list no description px-332c2 1 stator assembly (1-phase) wkc-00099-st stator assembly (3-phase) wkc-00106-st 2 rotor assembly wkc-00099-rt 3 rotor fan 3t301-553 4 excitor stator assembly (1-phase) wkc-00109-st 5 rectifi er assembly 3t201-0...

  • Page 22

    Opx300k2 05/12 22 px-308k2 to px-320k2 junction box, single phase key description part number 1 grommet ng-79-r 2 circuit breaker 22-42043 3 terminal 22-42036 4 plug 3191-09p 5 automatic voltage regulator (dst-100-2fak) 22-42071 7 circuit breaker 2 amp x 3 amp 2 pole 22-42084* * replaces 22-42077 8 ...

  • Page 23

    Opx300k2 05/12 23 px-325k2 junction box, single phase key description part number 1 grommet ng-79-r 2 circuit breaker 15 amp 22-42043 3 terminal ukt100-4j 4 automatic voltage regulator (dst-100-2fak) 22-42071 5 plug 3191-09p 7 circuit breaker 2 amp x 3 amp 2 pole 22-42084* * replaces 22-42077 8 rubb...

  • Page 24

    Opx300k2 05/12 24 px-332k2 junction box, single phase key description part number 1 junction box 3t303-291-3* * replaces 3t303-291-1 2 bracket, junction box mounting 3t302-782-1 (2 ea.) 3 top panel 4t302-144 4 side panel 4t302-859 (2 ea.) 5 grommet 4m911-018 6 plug 3191-09p 7 grommet ng-79-r 9 termi...

  • Page 25

    Opx300k2 05/12 25 px-308k2 to px-325k2 junction box, three phase key description part number 1 grommet ng-79-r 2 circuit breaker 15 amp 22-42043 3 terminal strip te-k22-4 4 terminal ukt60-3j 5 automatic voltage regulator (dst-100-2fak) 22-42071 7 circuit breaker 2 amp x 3 amp 2 pole 22-42084* * repl...

  • Page 26

    Opx300k2 05/12 26 px-332k2 junction box, three phase key description part number 1 junction box 3t303-298-3* * replaces 3t303-298-1 2 bracket, junction box mounting 3t302-782-1 (2 ea.) 3 top panel 4t302-144 4 side panel 4t302-859 (2 ea.) 5 grommet g-1** ** replaces 4m911-018 6 plug 3191-09p 7 gromme...

  • Page 27

    Opx300k2 05/12 27 ac wiring schematic - b-8280e dst -100-2f ak, all v oltages.

  • Page 28

    Northern lights 4420 14th ave. N.W. Seattle, wa 98107-5043 usa tel: (206) 789-3880 fax: (206) 782-5455 http://www.Northern-lights.Com.