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Summary of Contents for Leroy-Somer R729
- Page 1 4010 en – 03.2011 / b R729 Installation and maintenance...
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Page 2: Table Of Contents
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 CONTENTS Presentation 1.1. Description 1.2. Characteristics: 1.3. Environment: 1.4. Overall dimensions Definition of potentiometers, jumpers and LEDs: 2.1. Layout 2.2. Definition of potentiometers: 2.3. Definition of jumpers: 2.4. -
Page 3: Presentation
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 Presentation 1.1. Description When combined with the R 449 or R 452 or R448, the R 729 has the following functions: Regulation functions - Regulates PF or kVAr when the alternator is in parallel with the mains (2F). -
Page 4: Overall Dimensions
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 1.4. Overall dimensions... -
Page 5: Definition Of Potentiometers, Jumpers And Leds
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 Definition of potentiometers, jumpers and LEDs: 2.1. Layout Red LEDS CA5 Mains CosØ CA4 Ref Tension CA3 Ref kVAr CA2 Ref cosØ... -
Page 6: Definition Of Potentiometers
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 2.2. Definition of potentiometers: Representation of a potentiometer Definition of potentiometers Potentiometer actions Position 0 Position 5 Position 10 P1 = U=U P2= PF 0.95 leading 0.9 lagging... -
Page 7: U=U (3F)
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 Operation and settings: Regulation functions 3.1. U=U (3F) This function matches the alternator voltage to the mains voltage during a mains connection request. It works with an alternator on its own or in parallel with other alternators. -
Page 8: Alternator Pf Setpoint Adjustment
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 3.4.1. Alternator PF setpoint adjustment: Do not apply the 4/20mA current Set CA1 to position 1, CA2 to the ON position, P15 = 5 Connect the alternator to the mains and select alternator PF adjustment (2F) Adjust the PF using P2 to give the upper value of the range (E.g.: cos ϕ... -
Page 9: Mains Pf Adjustment
External voltage potentiometer: The external voltage potentiometer of the R 449 or R 452 (470Ω for +/-5%Un and 1kΩ for +/-10%Un) is transferred to terminals J3-24/25 of the R 729 when these are combined with the R729. Limiting functions 3.6. -
Page 10: Limitation Of Stator Current
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 3.8. Limitation of stator current This function limits the stator current (such as when starting-up large motors), by lowering the voltage (e.g.: 1.5xIn). This threshold is adjusted with potentiometer P7. -
Page 11: Diagrams
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 Diagrams 4.1. Block diagram... -
Page 12: Standard Diagram
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 4.2. Standard diagram 4.2.1. Alternator + R 449 + R 729... -
Page 13: Terminal Block C
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 4.2.2. Terminal block C:... -
Page 14: Commissioning
LEROY-SOMER INSTALLATION & MAINTENANCE 4010 en – 03.2011 / b MODULE R729 Commissioning - Case of a regulator mounted in the terminal box: It is recommended to perform initial tests in the as-delivered state. Once these tests are completed, any external potentiometers and/or contacts can be connected in accordance with the wiring diagrams provided with the machine. -
Page 15: Troubleshooting
SOLUTIONS - Cannot adjust U=U function - Input voltages - Check input voltages and connections to voltages the terminals of the R729 - Cannot obtain the requested -Limits - Remove jumpers CA8, CA7, CA10 and value of PF (no 4/20mA...
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