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Marconi LORAIN RHM800E50 Manual

Rectifier
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RECTIFIER
SPEC. NO. 548502500

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Summary of Contents for Marconi LORAIN RHM800E50

  • Page 1 RECTIFIER SPEC. NO. 548502500...
  • Page 2 MARCONI@, LORAIN@, SUB-CYCLE@‘, and Vortex@ are trademarks of Marconi Communications Inc. 02000, Marconi Communications Inc. COMMUNICATIONS AND CONTAINS CONFIDENTIAL AND PROPRIETARY INFORMATION OWNED BY MARCONI COMMUNICATIONS. ANY COPYING, USE OR DISCLOSURE OF IT WITHOUT THE WRlll-EN PERMISSION OF MARCONI COMMUNICATIONS IS STRICTLY PROHIBITED.
  • Page 3 Section 2992 Issue July 2000...
  • Page 4 Section 2992 Issue July 2000 Page 2 of 2 Marconi...
  • Page 5 Section 5737 Power Products Issue Bl, September 9,1998 ADDENDUM INSTALLER’S CONNECTIONS INSTALLER’S INFORMATION NOTES Remote voltage sensing lead connections should be made to the rectifier side of any battery protective or disconnect devices present. If a temperature compensation module is used to regulate rectifier output voltage, the temperature compensation module battery connections should also be made to the recti- fier side of any battery protective or disconnect devices present.
  • Page 6 Section 5350 Issue Al, January 30,1992 ADDENDUM PREPARATION FOR SHUTDOWN SERIES RECllFlERS This instruction manual contains various testing, adjustment, and maintenance procedures in which the rectifier will be shutdown either before or during the procedure. Before perforn+ng any of these procedures the load sharing lead if installed must be removed using the following procedure then reinstalled after the test or adjustment is made.
  • Page 7 Section 5350 122 Edward St. /St Thomas, Ontario N5P 122 / (519) 631-0780...

  • Page 8: Table Of Contents

    Section 4387 RELTEC Issue Fl , August 4.1997 Power Products MODEL RHM8OOE50 RECTIFIER SPEC. NO. 548502500 CONTENTS (CONTD) ....PAGE PAGE CONTENTS. _ _ . _ _ . _ _ .._ _ . _ ..AC Input Circuit .

  • Page 9: Description

    Section 4367 the battery is not required to furnish load cunent, it Description Model remains in a fulb charged condition. Variable Power Supply Power supply (O-60 VDC at 10 amps) or required to equalize the charge on all battery cells. the FLOAT/EQUALIZE switch can be operated focally to stable from 15 ohms obtain higher equalize charge voftage.

  • Page 10: Operation

    Section 4367 closed circuit between terminals 4 and 5 of TB3. or by Input Connections: Connect the three phase AC providing positive battery voltage at terminal 4 only. An 60 Hz, power leads at terminals Li . L2 and L3 on con- open circus between these terminals or removal of posi- tive battery voltage from terminal 4 restores OpemtiOnaf Output Connections: Connect DC output leads to...
  • Page 11 3.15 End Cell Switch Inhibit: A positive battery control a) Initial Preoaration signal fs available at TB3 terminal 13 to inhtti activation Place the HVSD and POWER of an automatically controlled end cell switch during nor- mal rectifier operation. If a low current ahrm occurs in switches on the front panel to the OFF position.
  • Page 12 Section 4387 and tenninal 2 (-). Insure that Place the HVSD circuit breaker toggle and the POWER rocker switch to the polarity is correct. ON posltn. The rectifier should start, although the LOW CURRENT Install the M option capacitor ALARM and an extended rectifier fail assembly.
  • Page 13 Steps a) through c) which follow, then proceed with Step 6). lower voltage per cell is desired. the float output voltage can be changed DANGER by adjusting the FLOAT ADJUST potentiometer, accessible through a If the n?cti~ is connected to a battery, uolt- hole in the front panel of the rectllier.

  • Page 14: Controls And Indicators

    Section 4367 Before placing the rectifier into ser- vice. refer to Table 3-l and note the factory settings of the overvoltage failure. the shutdown circuit and the high and low unless an autihy power supply is connected to settings are acceptable, the rectifier If an cuuciliary may be placed into service.
  • Page 15 Section 4367 HIGH VOLTAGE ALARM Indicator: lllumi- the output voltage increases to a nates when predetermined adjustable high voltage alarm current value. The high voltage alarm circuit moni- rent limit setting. the battery is required tofurnish tors output voltage continuously; therefore, the dtQI&ertce and subsequently begins discharg- this alarm is operational even when the recti- ing.

  • Page 16: Ripple Regulator Circuit

    Section 4387 after removal of the lower panel at the front of the recti- fier. 4.10 This rectifier contains a circuit which permits selective overvoltage shutdown when two or more recti- fiers are operated in parallel. The circuit allows opera- tion of the overvoltage shutdown circuit only in the 4.11 This rectiiier is equipped with a ripple regulator circuit.
  • Page 17 Section 4387 HINGED END REGULATOR AND ALARM CIRCUIT CARD A7 MOUNTING LOCATION OF MOUNTING LOCATION OF 425101400 425101400 CONTROL AND INDICATOR PANEL CONTROL AND INDICATOR PANEL (INTERIOR SURFACE) (INTERIOR SURFACE) Figure 4-1. Capacitor Assembly Connector Location small fncremsnts. Before adjustments are made, verify Adjustment of this recti@r should only be To obtain float output voftage.

  • Page 18: Equalize Voltage Adjustment

    HINGED END REGULATOR AND ALARM CIRCUIT CARD A7 FACTORY ADJUST ONLY LOAD SHARING ADJ (R28) OVERVOLTAGE SWTDOWN ADJ (W32--j ADJUSTMENT POTENllOMETERS (ON OTHER SIDE OF CIRCUIT CARD) HIGH VOLTAGE ALARM ADJ (R39)-c z LOW CVRRENT ALARM ADJ (RY)) -+ LOW VOLTAGE ALARM ADJ (R39) -r” CONTROL AND INDICATOR PANEL (INTERIOR SURFACE) Figure 5-l Regulator and Alarm Circuit Card Adjustment Potentiometer Locations...
  • Page 19 d) Repeat steps b) and c) as necessary to rectifier from battery by removing the BAT- obtain desired equalize voltage. TERY DISCONNECT link. The value at which the current limif circuit vents turtfter increase of output current is set by potenti. hole on the front panel of the rectifier.
  • Page 20 Section 4387 Close the meter and control panels, then Slowly increase the vottage until light emit- start the rectifier by placing the POWER ting diode HIGH VOLTAGE ALARM illumi- switch to the ON position. nates. Repeat Steps f) and g). if necessary, until the atam, is activated at the proper vok- age.
  • Page 21 Section 4387 Connect the local sensing leads to TB3 ter- Disconnect the test leads ot the external minals 1 (+) and 2 (-). Insure that polarity is ammeter and resistive load. correct. If the rectlfiir is normally connected to a bat- Remove the BATTERY DISCONNECT link tery, remove the M option capacitor assem- to isolate the rectifier from the battery or...

  • Page 22: Load Sharing Adjustment

    Section 4387 If remote voltage sensing leads are Disconnect the test load and multimeter extended ( T Option), disconnect and insu- leads. If the rectffier is normally connected late. Connect internal voltage sensing leads to a battery, remove the M option capacitor ( R Option) to terminals 1 (+) and 2 (-) of assembly from circuit card A7.

  • Page 23: Circuit Description

    Producing s3tm-e. pem fatal. electrical shock...

  • Page 24: Power Circuit

    Section 4387 put fuse and battery disconnect device to the output ter- Power Suoolv Assemblv PSA-A8 minals. This power supply assembly provides the +12 and -12 VDC required to power the Regulator and Alarm Circuit Card A7. An addlional DC output of this assembly provides an input to the current walk-in circuit.

  • Page 25: Pulse Generation And Phase Control Circuits

    Section 4387 common. causing the output of amplifier Al7 to go posi- 6.13 Resistor R64 is connected to the cathode of at the sfkler of potentiometer R12 becomes poslive with current the current limit settmg of potentiometer respect to common, causing the output of amplifier Al7 to go negative.

  • Page 27: Current Walk-In Circuit

    Section 4307 magnitude but opposite in polarity. The cosine voitage current regulator reference voltage and allowing it to applied to the non-inverting input of comparator A3 at increase at a fiied rate. When the rectifier is turned off, pin 5 is compared to the positive enor signal applied to the walk-in circuit is reset to time 0.
  • Page 28 Section 4367 age divider circuit which also includes resistors R20 and if connected. During normal operation with rectifier output current within limks, the rectifier output and common. As mentioned previously, base of 08 is connected to common through resistor the load sharing lead is connected at the junctffn of R43.

  • Page 29: Ripple Regulator Circuit Card Al 1

    Section 4397 FUSE ALARM light emitting diode. The LED illuminates and contacts of K4 open which deenergizes Kl and K2. 6.25 This circuit card continuously monitors the ripple When K2 releases, its contacts open which interrupt AC current Mrough the rectiiier DC output filter capacitors. input power to the rectifier.

  • Page 30: Troubleshooting

    Section 4367 relay Kl on A9 causes the relay to release. activating ah tions. If the line of flow terminates in a blodt entitled external rectttier fail alarm circutt. if connected. POSSIBLE CAUSES, the servicing technicii should 7. TROUBLESHOOTING action if a faulty mmponentorassembly is located. Before attempting to troubleshoot this rectifier, it must be determined that a failure has occurred in the rectifier.

  • Page 34: Test Procedures

    Section 4387 refer to that particular test procedure in this section for Perform Steps b) through d) on all capaci- further troubleshooting information. tors suspected of being faulty. When all tests are completed. insure that 7.0 Semiconductor device outlines for diodes and wiring to subject capacitors is properly con- nected.
  • Page 35 Section 4387 The meter should indicate battery voltage, nominally 48 VDC. If voltage is not present. reference leads are open at some point Of PrDdUCiIIg Seuer-c?. per- between rectifier and battery. Chedc refer- shock haps ence lead connectiins, and collect any faults as required.
  • Page 36 Section 4387 ing signal is missing or abnormal, the control and alarm Start the rectifier by operating the POWER DANGER oscilloscope. The waveform shoufd be simi- This procedure is performed with power lar to that shown in Figure 7-2. Amplitude applied to the recti&?r.
  • Page 37 Section 4387 DANGER If the DC output leads were discon- nected or if the BATTERY DISCON- NECT link was removed during Do not use a grounded osciUoscope when per- repairs, refer to Test Procedure 6 for forming this pracedure: otherlhe. damage to recommended startup procedure.
  • Page 38 Section 4367 After noting the firing waveform characteris- anode-tocathode: a low resistance indicates an anode- tics, place the POWER switch to the OFF to-cathode short. To check for an open or shorted thy- position. Disconnect the oscilloscope probe ristor gate, measure the resistance of the gate-to-cath- leads from the circufi card under test.
  • Page 39 Section 4367 Connect the local sensing leads to TB3, teninal 1 (+) and terminal 2 (-). Insure that polarity is correct. Install the M option capacitor assem- bly, Part No. 425101400. on the lator and Alarm Circuit card A7. Close the external AC disconnect device to appiy input power to the rectifier.

  • Page 40: Model Data

    Section 4387 Remove the temporary insulation Open the two rectifier front doors by loosen- from the local reference leads, and ing the captive fasteners and pivoting the connect these leads lo the storage doors outward. terminals on circuit card A9. Provide an external power supply adjusted for 48 VDC and capable of 10 amperes.
  • Page 41 Power supply Here - - - - - - - - - - l Figure 7-4. Front Partial View of Rectifier Interior Rear Panel Showing Location of Auxiliary Power Supply Connections (Detail Removed for Clarity) Page 38...

  • Page 42: Appendix

    Section 4387 APPENDIX RECORD OF INSTRUCTION MANUAL CHANGES ISSUE DESCRIPTION OF CHANGES DATE 183-8181 I FAN FAILURE ALARM indicator added. CONVERSION TO LAMPS Load Sharing Clarified. Phase Loss Alarm added. Fuse Fl Part No. corrected in Table 4-1. Revised to reflect addiiin of HVSD restart circuit and auxiliary low bat- tery startup terminals: added Test Procedure 9.
  • Page 43 Section 4237 ADDENDUM In addition to the customer adjustable selective high voltage shutdown circuit described in the instruction manual, this FLOTROL Rectifier also contains a second non- adjustable high voltage shutdown circuit. This second high voltage shutdown circuit is designed to shutdown the rectifier in the event of a failure which inhibits the customer adjustable selective high voltage shutdown circuit.

  • Page 44: General

    Section 2968 Issue Dl, December 7,199O REPLACEMENT OF DISC-TYPE THYRISTORS AND DIODES USING CLAMP ASSEMBLY 2868-23443 OR 286823500 CONTENTS PAGE 1. GENERAL ......and extension;...
  • Page 45 Section 2968 FIGURE I Page 2...
  • Page 46 Section 2966 WARNING 3.02 Open the equipment access doors or covers and remove any inner protective grilles or covers to gain access to the diode or thyristor assembly. Proceed as joint compound on the mamting se-feces of the follows: replacement davice. The compowtd possesses If a thyristor is being replaced, disconnect the device cathode (K) and gate (G) leads from their...
  • Page 47 On the gate and cathode lead terminal board, the 3.04 Restore input power to the equipment, and cathode connection is u.%alZy marked “ZP and the insure that any output disconnect or protective devices gate connection is usually marked W”. Zf rmy are connected or reset for normal operation.
  • Page 48 Section 2968 APPENDIX RECORD OF INSTRUCTION CHANGES ISSUE DESCRIPTION OF CHANGE 183-7444 Revised to reflect current instruction format. In Canada : R E L T E C ” RELTEC Canada 122 Edward St. /St.Thomas. Ontario NSP lZZl(519) 631-0780 In Mexico : Page 5...
  • Page 49 1. SPECIFICATION I .l GENERAL: This LORAIf@ Rectffier is designed to power a load while charging a battery in a positive grounded system. This rectifier is listed by Underwriters Laboratories under standard 1012 for power conversion equip- ment in a controlled environment. 1.2 OUTPUT RATINGS 12.1 Voltage: Float voltage is adjustable from 48 to 54 volts for f!oatfmg 23 or 24 cells of battery, Equalize...
  • Page 50 1. SPECIFICATION INPUT RATINGS. INPUT RATINGS. Nominal 480 volts. three phase, 60 Hz i3 Hz, with a range of 424 to 508 wk.. 1.32 Typical Input Data: Input Amount Amperes VA Watts Efficiency Displacement Volts Factor Load No Load 1.25 1011 30.47 24646...
  • Page 51 1. SPECIFICATION 1.4.3 Output Pmtection: (A) Current Limiting: DC output currenl is limited at an adjustable value from 90% to 110% of full bad, factory set at 110% of full bad. (C) Overvoltage Shutdown: If rectifier output voltage exceeds a preset adjustable value while the recti- fier is delivering more than 3% of full bad current (24 amperes), the rectffier will shutdown, Refer to Table 1.
  • Page 52 1. SPECIFICATION STANDARD FEATURES (E) FUSE ALARM: A fuse alarm is activated ff output fuse Fl, reference fuse F2. or filter capacitor fuses F3 or F4 open. A fuse alarm condition illuminates a red FUSE ALARM indicator and acti- vates me rectiier fall alarm. failure condiin illumtnates a red FAN FAILURE indicator and activates the rectffierfail alann.
  • Page 53 1. SPECIFICATION ENVIRONMENTAL RAT-INGS 1.4.19 Output Disconnect: An output disconnect switch opens the negative output lead. 1.4.20 Phase Lose/Reduced Load Alarm: If for any reason the rectfffer experiences a high ripple condllicn caused by a AC input loss an alann is actiied end the rectifiers output voltage and current will be at a reduced level.
  • Page 54 2. DIMENSIONS q -.-.-.-.-.-.-.-.-.-.-.-‘-.--..o. q -.-.-.-.-.-.-.-.-.-.-.-‘-.--..o. q -.-.-.-.-.- -.-.-.-.-.-._.--.a q -.-.-.-.-.- -.-.-.-.-.-._.--.a...
  • Page 55 3. INSTALLER’S CONNECTIONS NOTES 4.2 AND 4.5 ’ NOTES 4.6.4.21 AND 4.25...
  • Page 56 4. INSTALLER’S INFORMATION NOTES AC INPUT (K2) Wire Size Fusing l(6) Ga. to 3lO Ga. 250 In-Lbs per Phase per Phase per Phase DC OUTPUT (Note 4.5) (3) 2 Ga. (3) 350 MCM (3) 500 MCM 750 MCM 500 In-Lbs (3) 600 MCM per Potmy (3) 750 MCM...
  • Page 57 4. INSTALLER’S INFORMATION NOTES...
  • Page 58 4. INSTALLER’S INFORMATION NOTES Positive battery is supplied at terminal 21 of terminal board TG3 when the rectffiir is in aquake mode of opam- 4.22 To shii the phase of the input voltage of the rectifier wfth respect to the AC line service to lower the cumulative distortion on the AC line when two or more ractffffrs are operated in parallel, interchange any two input phases at input line contactor K2.
  • Page 73 THE NETWORK SOLUTIONS GROUP HELP DESKis staff&l five days a week from 8 A.M. to 8 P.M. EST If you have a question or concern wlh any Marconi Communications power equipment, call the Help Desk at MONDAY-FRIDAY 8 P.M. to 8 A.M. EST. WEEKENDS and HOLIDAYS EMERGENCY ASS/STANCE is also available from the Network Solutions Group outside of normal busi- ness hours.
  • Page 74 Network Solutions Group Your Sing/e Source Service Provider FIELD SUPPORT LOCATIONS For Field Service and Support ......800-800-5260 MICHIGAN WASHINGTON Kent...

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