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Related Manuals for Nidec LEROY-SOMER R250
Summary of Contents for Nidec LEROY-SOMER R250
- Page 1 R250 110 0V 50Hz KNEE 47.5Hz LAM OFF SPECIAL KNEE 65Hz LAM OFF KNEE 57Hz 60Hz LAM OFF R250 Installation and maintenance...
- Page 2 Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250 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 installation and maintenance manual.
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Page 3: Table Of Contents
Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250 CONTENTS 1 - POWER SUPPLY ....................... 4 1.1 - SHUNT excitation system ....................4 2 - R250 AVR ...........................5 2.1 - Characteristics ......................5 2.2 - U/F function and LAM ....................5 2.3 - AVR options ........................ -
Page 4: Power Supply
Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250 1 - POWER SUPPLY The regulator monitors the exciter excitation current as a function of the alternator output 1.1 - SHUNT excitation system voltage. Very simple in design, the alternator The alternator with Shunt excitation is self- with shunt excitation has no sustaining excited with an R250 voltage regulator. -
Page 5: R250 Avr
Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250 2 - R250 AVR The threshhold position and LAM function settings are done with the jumper. 2.1 - Characteristics - Storage: -55°C; +85°C Operating at 50 Hz: (U/F gradient) - Operation: -40°C;... -
Page 6: Avr Options
Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250 2.3 - AVR options It is advised to use the “LAM” at 25% for load impacts > at 70% of the genset rated power. Potentiometer remote voltage adjustment, 1000 Ω... -
Page 7: Typical Effects Of The Lam
Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250 2.5 - Typical effects of the LAM with a diesel engine or without a LAM (U/F only) 2.5.1 - Voltage Transient voltage drop (U/f) without LAM with Time 2.5.2 - Frequency Max speed drop... -
Page 8: Installation - Commisioning
Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250 3 - INSTALLATION - 3.2.2 - Special type of use COMMISSIONING WARNING WARNING 3.1 - Electrical checks on the AVR - Check that all connections have been Excitation circuit E+, E- must not be left made properly as shown in the attached open when the machine is running: AVR... -
Page 9: Electrical Faults
Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250 3.3 - Electrical faults Fault Action Effect Check/Cause The alternator builds up and its voltage is still correct when the - Lack of residual magnetism battery is removed The alternator builds up but its - Check the connection of the voltage Connect a new battery... -
Page 10: Spare Parts
Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250 4 - SPARE PARTS 4.1 - Designation Description Type Code R250 AEM 110 RE 019 4.2 - Technical support service Our technical support service will be pleased provide additional information you may require. -
Page 11: Disposal And Recycling Instructions
Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250 Disposal and recycling instructions All materials listed above need special committed limiting treatment separate waste from environmental impact of our activity. We reclaimable materials and should be continuously monitor production... - Page 12 Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250...
- Page 13 Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250...
- Page 14 Installation and maintenance Electric Power Generation 4067 en - 2024.02 / j R250...
- Page 15 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 16 www.leroy-somer.com/epg Connect with us at: 4067 en - 2024.02 / j...
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