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Summary of Contents for Nidec Leroy-Somer R449
- Page 1 X1 Z2 E+ E- 0V 110 220 380 R449 R449 revision f AVRs Installation and maintenance...
- Page 2 Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs This manual concerns the alternator AVR which you have just purchased. We wish to draw your attention to the contents of this maintenance manual. SAFETY MEASURES Before using your machine for the first time, it is important to read the whole of this...
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Page 3: Table Of Contents
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs CONTENTS 1 - INTRODUCTION TO THE R449 ..................4 1.1 - Application ........................4 1.2 - Description ........................4 1.3 - Electrical characteristics ....................8 1.4 - Environment ....................... 11 2 - R726: REGULATION OF POWER FACTOR (2F) AND MAINS SENSING (3F) .... -
Page 4: Introduction To The R449
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 1 - INTRODUCTION TO THE R449 Two fuses (F1 and F2) are connected to this regulator; they are mounted in the alternator 1.1 - Application on terminal block C. - Page 5 Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 1.2.1 - Power supply connection 1.2.1.1 - AREP system STATOR : 6 or 12-wire (marking T1 to T12) MAIN FIELD AREP SYSTEM Aux. windings Armature Field 10 Yellow...
- Page 6 Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 1.2.1.2 - PMG system STATOR : 6 or 12-wire (marking T1 to T12) MAIN FIELD PMG SYSTEM Aux. windings Armature Field 15 16 according to tension 140 mm X1 Z2 E+ E- 0V 110 220 380 4 x holes Ø...
- Page 7 Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 1.2.1.3 - SHUNT system STATOR : 6 or 12-wire (marking T1 to T12) MAIN FIELD SHUNT SYSTEM Armature Field according to tension 140 mm X1 Z2 E+ E- 0V 110 220 380 4 x trous Ø...
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Page 8: Electrical Characteristics
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 1.3 - Electrical characteristics 1.3.1 - Operating diagram... - Page 9 Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 1.3.2 - Detection - using 2 independent auxiliary windings The detection is single-phase and is isolated integrated in the alternator stator (AREP using an internal transformer. excitation), Sensing VA: 5VA - using a single or 3-phase power VT,...
- Page 10 Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs consequently the amount of active load 1.3.10.3 - Power applied is reduced by approximately 25% to 45%, until the speed reaches its rated value again.
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Page 11: Environment
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs The maximum limitation is 15A. inside the alternator terminal box. Rating: The minimum limitation is when the gG 10/38 16A 500V potentiometer has been rotated fully anti- - ATQ20 (10x38US) 500 VAC UL/CSA clockwise. -
Page 12: R726: Regulation Of Power Factor (2F) And Mains Sensing (3F)
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 2 - R726: REGULATION OF POWER FACTOR (2F) AND MAINS SENSING (3F) The power factor and mains sensing are done by the R726 module. See the specific manual. 2.1 - Operating diagram... -
Page 13: Potentiometers
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 2.2 - Potentiometers P1: Potentiometer for adjusting the alternator voltage to the mains voltage (operating mode 3F) P2: Adjustment of the power factor P3: Stability P4: Limitation of the power factor 100 mm U = U... -
Page 14: Typical Diagrams
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 3 - TYPICAL DIAGRAMS The following diagrams are supplied for information only and are not to be used in place of the actual alternator diagrams. 3.1 - AREP 1F LV excitation... -
Page 15: Arep 1F Mv Excitation
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 3.2 - AREP 1F MV excitation... -
Page 16: Arep 3F Lv Excitation
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 3.3 - AREP 3F LV excitation... -
Page 17: Arep 3F Mv Excitation
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 3.4 - AREP 3F MV excitation... -
Page 18: 1F Lv Shunt + Booster Excitation
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 3.5 - 1F LV Shunt + Booster excitation... -
Page 19: 1F Lv Pmg Excitation
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 3.6 - 1F LV PMG excitation... -
Page 20: Commissioning
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 4 - COMMISSIONING always greater than the on-load voltage, if the voltage rises, invert the parallel operation The commissioning principle is the same CT. The voltage quadrature droop is whatever is the type of excitation. - Page 21 Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs The following settings are for the R726. Close the 3F contact (terminals 5 and 6 of J1 of the R726 or terminals 34 and 35 of terminal block C of the alternator).
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Page 22: Troubleshooting
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 5 - TROUBLESHOOTING 5.1 - Checking the windings and rotating diodes using a separate When the alternator is stopped, mains excitation voltage may still be present at the module During this procedure, you must check that voltage sensing terminals. -
Page 23: Troubleshooting Table
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs - Perform one test supplying the regulator 200 - 240 V According to frequency (220 V) via terminals X1 and X2, then another R449 supplying it via terminals Z1 and Z2. - Page 24 Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs Symptom Probable causes Solutions - Frequency unstable - Check the stability of the drive system speed Voltage unstable - Secondary sensing of a transformer - Provide separate sensing for the supplying other devices alternator...
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Page 25: Replacing The Regulator With A Spare Voltage Regulator
Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs 6 - SPARE PARTS 5.3.3 - Checking the alternator using a separate excitation 6.1 - Designation - The alternator is tested at no load. Description Type Code... - Page 26 Installation and maintenance Electric Power Generation 3983 en - 2018.01 / g R449 revision f AVRs Disposal and recycling instructions committed limiting environmental impact of our activity. We continuously monitor production processes, material sourcing and products design to improve recyclability and minimise our environmental footprint.
- Page 27 Service & Support Our worldwide service network of over 80 facilities is at your service. This local presence is our guarantee for fast and efficient repair, support and maintenance services. Trust your alternator maintenance and support to electric power generation experts. Our field personnel are 100% qualified and fully trained to operate in all environments and on all machine types.
- Page 28 Linkedin.com/company/Leroy-Somer Twitter.com/Leroy_Somer_en Facebook.com/LeroySomer.Nidec.en YouTube.com/LeroySomerOfficiel 3983 en - 2018.01 / g...
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