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  5. Operator's & Parts Manual

Northern Lights PX-300K1 Series A.C. Generator Operator's & Parts Manual

Summary of PX-300K1 Series A.C. Generator

  • Page 1

    Px-300k1 series a.C. Generators for generator models: px- 308 k 1 , px309k1, px- 310 k 1 , px- 312 k 1 , px- 316 k 1 , px- 320 k 1, px-325k1, and px-332k1 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.: opx300k1 09/09 diesel engine e...

  • Page 3: Perator’S &

    O perator’s & p arts m anual px-300k1 series a.C. Generators for generator models: px-308k1, px-309k1, px-310k1, px-312k1, px-316k1, px-320k1, px-325k1, and px-332k1 read this manual thoroughly before starting your equipment. This manual contains information needed to operate your set correctly and ...

  • Page 4

    Opx300k1 09/09 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

    Opx300k1 09/09 5 model and serial numbers generator end model numbers generator set model no................. Pxk generator model m and nl753k ............................................Px-308k1 m and nl773l ..............................................Px-309k1 m and nl843jk .........................

  • Page 6

    Opx300k1 09/09 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

    Opx300k1 09/09 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 suppli...

  • Page 8

    Opx300k1 09/09 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

    Opx300k1 09/09 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

    Opx300k1 09/09 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

    Opx300k1 09/09 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 hours...

  • Page 12

    Opx300k1 09/09 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

    Opx300k1 09/09 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

    Opx300k1 09/09 14 generator specifi cations: taiyo winding resistances all ratings in ohms @ 20° c model 4 wire - 1 phase 12 wire - 3 phase number u 1 –v 1 u 2 –v 2 main px-308k1 0.3685 ohms 0.3685 ohms 0.599 ohms stator: px-309k1 0.3685 ohms 0.3685 ohms px-310k1 0.2480 ohms 0.2480 ohms 0.409 ohms p...

  • Page 15

    Opx300k1 09/09 15 model number u - v exciter px-308k1 & px-309k1 0.493 ohms rotor: px-310k1 0.493 ohms px-312k1 0.493 ohms px-316k1 0.527 ohms px-320k1 0.532 ohms px-325k1 0.573 ohms px-332k1 0.311 ohms model number 4 wire 1 phase full load px-308k1 & px-309k1 29.0 volts excitation: px-310k1 27.3 vo...

  • Page 16

    Opx300k1 09/09 16 sensing output frequency 50 hz 60 hz (4) – (100) 100v class 100 volt class 100v 120v (4) – (200) 200v class 200 volt class 200v 240v phase: single phase single phase power input voltage: 100v 139v (4 – 3) frequency: 50 hz / 60 hz phase: single phase single phase sensing output max....

  • Page 17

    Opx300k1 09/09 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

    Opx300k1 09/09 18 px-300k1 series parts list no description px-308k1/px309k1 px-310k1 px-312k1 px-316k1 px-320k1 1 stator assembly (1-phase) wkc-00011-st wkc-00012-st wkc-00013-st wkc-00014-st wkc-00015-st stator assembly (3-phase) wkc-00016-st wkc-00017-st wkc-00018-st wkc-00019-st wkc-00020-st 2 r...

  • Page 19

    Opx300k1 09/09 19 no description px-308k1/px-309k1 px-310k1 px-312k1 px-316k1 px-320k1 17 generator mounting bracket 3t301-267-2 r 3t301-268-2 r 3t301-268-2 r 3t301-269-2 r 3t301-269-2 r 3t301-267-2 l 3t301-268-2 l 3t301-268-2 l 3t301-269-2 l 3t301-269-2 l 18 j-box support bracket, right 4t301-309 3...

  • Page 20

    Opx300k1 09/09 20 px-320c parts list no description px-320c 1 stator assembly wkc-00020-1-st 2 rotor assembly wkc-00020-1-rt 3 excitor stator assembly wkc-00034-st 4 rectifi er assembly 3t201-084 5 bearing shield 3t301-253-3 6 o-ring 1bg70 7 ball bearing 6306zz 8 ventilation cover 3t302-896 9 termin...

  • Page 21

    Opx300k1 09/09 21 notes.

  • Page 22

    Opx300k1 09/09 22 px-325k1 parts list no description px-325k1 1 phase 1 stator assembly (1-phase) wkc-00077-st 2 rotor assembly wkc-00077-rt 3 excitor stator assembly (1-phase) wkc-00032-st 4 rectifi er assembly 3t201-084 5 bearing shield 3t301-253-3 6 o-ring 1bg70 7 ball bearing 6306zz 8 ventilatio...

  • Page 23

    Opx300k1 09/09 23 no description px-325k 3 phase 1 stator assembly (1-phase) wkc-00078-st 2 rotor assembly wkc-00078-rt 3 excitor stator assembly (1-phase) wkc-00034-st 4 rectifi er assembly 3t201-084 5 bearing shield 3t301-253-3 6 o-ring 1bg70 7 ball bearing 6306zz 8 ventilation cover 3t301-331 9 t...

  • Page 24

    Opx300k1 09/09 24 px-332k1 parts list with small junction box key description part number 1 stator assembly (single phase) wkc-00039-st stator assembly (three phase) wkc-00040-st 2 rotor assembly wkc-00039-rt 3 exciter stator assembly (single phase) wkc-00060-st exciter stator assembly (three phase)...

  • Page 25

    Opx300k1 09/09 25 px-332k1 parts list small junction box key description part number no. •• junction box sub-assembly 4t301-496-2 1 (includes keys 9 - 11) 9 junction box 3t301-222-2 1 10 junction box, top 4t301-108 1 11 junction box, side 4t301-109 2 13 avr 22-42037 1 14 circuit breaker (for avr) 22...

  • Page 26

    Opx300k1 09/09 26 px-332k1 parts list with large junction box key description part number 1 stator assembly (single phase) wkc-00039-st stator assembly (three phase) wkc-00040-st 2 rotor assembly wkc-00039-rt 3 exciter stator assembly (single phase) wkc-00060-st exciter stator assembly (three phase)...

  • Page 27

    Opx300k1 09/09 27 key description part number no. •• junction box assembly 39-65417 1 9 junction box 3t302-142 1 10 junction box, top 4t302-144 1 11 junction box, side 4t302-145 2 12 terminal (output) 22-45413 1 13 avr (automatic voltage reg.) 22-42037 1 14 circuit breaker (for avr) 22-42053 1 15 ci...

  • Page 28

    Opx300k1 09/09 28 key description part number no. •• junction box assembly 39-65418 1 9 junction box 3t302-858-1 1 10 junction box, top 4t302-144 1 11 junction box, side 4t302-859 2 12 terminal (output) te-k60-4 1 13 avr (automatic voltage reg.) 22-42037 1 14 circuit breaker (for avr) 22-42053 1 15 ...

  • Page 29

    Opx300k1 09/09 29 key description part number no. •• junction box assembly 39-65419 1 (includes keys 9-11, 18, 25) 9 junction box 3t302-784-2 1 10 junction box, top 4t302-144 1 11 junction box, side 4t302-859 2 12 terminal (output) te-k60-4 1 13 avr (automatic voltage reg.) 22-42037 1 14 circuit bre...

  • Page 30

    Opx300k1 09/09 30 ac wiring schematic - b-5748f dst -51-dfk, all v oltages.

  • Page 31

    Www.Northern-lights.Com 4420 14th ave. Nw., seattle wa 98107 tel: (206) 789-3880 • 1-800-762-0165 • fax: (206) 782-5455 northern lights and lugger are registered trademarks of northern lights, inc. © 2009 all rights reserved. Litho usa..