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Summary of Contents for TECO TAIAN MV510 Series
- Page 1 Version No.: V1.0 MV510 series Medium-Voltage Inverter Maintenance manual Taian Technology (Wuxi) Co., Ltd. (TECO Group)
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Page 2: Chapter I Safety Precautions
MV510 series high-voltage inverter maintenance manual Chapter I Safety Precautions 1.1 Please read this manual carefully prior to use of the product. 1.2 Be sure to follow instructions in this manual during use of the medium-voltage equipment with medium-voltage AC power inside that may lead to personal injury. - Page 3 MV510 series high-voltage inverter maintenance manual 1.5 Check the marked weight of this VFD and select a proper crane for suspension and movement of this VFD. Please follow the operating structions to avoid personal injury. 1.6 Do not incline this VFD forward or backward by over 10 degrees during installation.
- Page 4 MV510 series high-voltage inverter maintenance manual 1.9 Ensure the VFD is earthed. Otherwise, the decreased insulating capacity may lead to electric leakage or shock. 1.10 The system parameters must be correctly set by the qualified personnel, as the system may be overloaded and damaged if the wrong parameters are set. 1.11 Only the qualified and trained personnel with proper safety measures are allowed to operate this VFD.Electric shock, injury or fault may be caused if it is operated by any person not qualified or trained.
- Page 5 MV510 series high-voltage inverter maintenance manual 1.13 Do not open the cabinet door when the VFD is charged or has residual voltage. 1.14 In case of fire, please turn the circuit breaker of medium-voltage power and control power to the OFF position immediately, and do not attempt to use the VFD.Otherwise, fire may be caused.
- Page 6 MV510 series high-voltage inverter maintenance manual 1.16 Please read the warning sign on the drive prior to operation.Otherwise, electric shock or injury may be caused. 1.17 Do not stop air conditioner in the VFD room during operation.Otherwise, the room temperature may raise and lead to failure of the drive. 1.18 Turn the circuit breaker of medium-voltage power and control power to the OFF position prior to cleaning or inspection.
- Page 7 MV510 series high-voltage inverter maintenance manual 1.20 Do not take out any module rapidly from the rack, or apply excessive force to any side of the module after it is pulled out.Otherwise, the module may fall from the rack, leading to deformation, injury or failure. 1.21 Please contact us timely in case of faults of operation.
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Page 8: Chapter Ii Rules Of System Operation
MV510 series high-voltage inverter maintenance manual Chapter II Rules of System Operation MV510 series medium voltage VFD generally consists of various cabinets as listed below (from left to right): ● Start-up cabinet ● Transformer cabinet ● Power cell cabinet ● Control cabinet Start-up cabinet Transformer cabinet Power cell cabinet... -
Page 9: Daily Inspection
MV510 series high-voltage inverter maintenance manual performed. The medium-voltage inverter is composed of IGBT (Insulated Gate Bipolar Transistor), semiconductor components such as IC, electronic components such as capacitors and resistors, and various components such as fans and relays. If all of these components do not function properly, you will not be able to perform the functions your product should have. -
Page 10: Periodic Inspection
MV510 series high-voltage inverter maintenance manual Meter Is the indication value normal? The touch screen displays whether it is clear and whether characters are missing？ Whether there is abnormal sound or abnormal vibration？ Is the bolt loose? With or without deformation damage? Whether there is discoloration caused by overheating? Whether there is adhesion to dust or dirt? - Page 11 MV510 series high-voltage inverter maintenance manual Table 2.2 Periodic inspection table Inspection Check parts Check item Inspection matters methods and Check bar criteria Check with megger (between main circuit terminal ground terminal) Are screws, bolts and connectors loose? Overall Is there any damage, deformation discoloration parts...
- Page 12 MV510 series high-voltage inverter maintenance manual circuit? abnormalities. there high frequency vibration when moving? Relay Is the timer's operating time normal? Is the contact loose? Is there any smell or discoloration? Is the power supply Circuit board normal? Are the screws and bolts loose? Is the screen displayed correctly?
- Page 13 MV510 series high-voltage inverter maintenance manual (Step1:VFD Input terminal) (Step1:Voltage detection board) (Step3: Test point) Figure 2-3-1 Insulation resistance measurement on the secondary side (motor side) of the inverter Please use a 2500V megohmmeter. The acceptance criteria are 1000MΩ or more.
- Page 14 MV510 series high-voltage inverter maintenance manual Grounding is performed using the high resistance detected by the output voltage detection and the ground short circuit. Therefore, remove the voltage connected to the output terminal to detect the high resistance and power cell output cable and measure.
- Page 15 MV510 series high-voltage inverter maintenance manual (Step8:Test point) Figure 2-3-2 Insulation resistance measurement of surge suppressor Please use a 2500V megohmmeter. The acceptance criteria are 1000 MΩ or more. (Note) Please remove the surge suppressor from the circuit. The steps are as follows: Step 11: Disconnect the ground wire of input voltage detection board.
- Page 16 MV510 series high-voltage inverter maintenance manual (Step11:Voltage detection board) (Step12:Temperature controller) (Step12:PT100)
- Page 17 MV510 series high-voltage inverter maintenance manual (Step13:Surge suppressor) (Step15:Test point) Figure 2-3-3 ■ Screws, bolts and connectors If the connection of the main circuit wires is loose, it may cause a fire due to overheating of the wire connections. When performing regular inspections, be sure to tighten the screws and bolts again Tightening torque: M5 bolts: 2.5 to 3.5 N·m...
- Page 18 MV510 series high-voltage inverter maintenance manual ·Power cell input and output terminals, fiber optic cable connectors ·Power cell screws, bolts and connectors ·Control power input terminal ·Control transformer input terminal and output terminal (optional) ·Power relay input and output terminal for cooling fan ·Various control circuit board screws, bolts and connectors ·Control input terminal, output terminal ■...
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Page 19: Equipment Maintenance
MV510 series high-voltage inverter maintenance manual • Check for loose screws or connectors. Retighten screws and connectors to the recommended tightening torque. ■ Cooling fan Check the following items: • Check for abnormal vibration and noise. • Check for loose installation bolts. Retighten bolts to the recommended tightening torque. - Page 20 MV510 series high-voltage inverter maintenance manual Table 2.4 Standard replacement period Device name Standard replacement years Cooling fan Run time 40000 hours Electrolytic capacitor 5 years A printed circuit board 8 years Fuse 10 years Note: This manual is applicable to the MV510 series high-voltage inverter produced by Taian Technology (Wuxi) Co., Ltd.
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