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Summary of Contents for TWERD Power Electronics MFC710/AcR
- Page 1 ® TWERD Power Electronics TWERD MFC710/AcR Regenerative frequency converter enabling energy return to the mains General description Mechanical dimensions Electrical connection diagram Failure codes List of parameters MFC710 User's Manual supplement Edition 4.2 en twerd www.
- Page 3 Before mechanical and electrical installation and using the MFC710/AcR • regenerative frequency converter, the user is obliged to read both this description of MFC710/AcR and the manual of the MFC710 frequency converter. The user bears the full consequences of not complying with the above •...
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Page 4: Table Of Contents
Contents 1. General description of the MFC710/AcR frequency converter..................5 2. Mechanical dimensions..............................6 3. Installation of the frequency converter..........................8 3.1. Connecting the power circuit............................ 8 4. First run..................................... 9 5. Table of MFC710/AcR frequency converter parameters....................10 6. Failure codes.................................. 12... -
Page 5: General Description Of The Mfc710/Acr Frequency Converter
MFC710/AcR - Section: 1. General description of the MFC710/AcR frequency converter 1. General description of the MFC710/AcR frequency converter The MFC710/AcR frequency converter was developed by extending the MFC710 frequency converter with an AcR (Active Rectifier) reversible rectifier module replacing the conventional diode input circuit. This eliminates the problems arising from the use of diode rectifiers: •... -
Page 6: Mechanical Dimensions
φ Ø2 It is necessary to provide some free space around the converter for appropriate air circulation. Table 2.1: Dimensions of the MFC710/AcR 400V and MFC710 500V frequency converters (replaces the table 0.3a in the MFC710 user's manual) Dimensions Weight... - Page 7 MFC710/AcR - Section: 2. Mechanical dimensions Table 2.1: Dimensions of the MFC710/AcR 690V frequency converters (replaces the table 0.3b in the MFC710 user's manual) Dimensions Weight [mm] Modification Type of a converter [kg] Ø1 Ø2 φ Casings are chosen according to the individual requirements.
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Page 8: Installation Of The Frequency Converter
MFC710/AcR - Section: 3. Installation of the frequency converter 3. Installation of the frequency converter 3.1. Connecting the power circuit The MFC710 / AcR drive is typically powered by a 3x400V 50Hz three-phase network. We also offer versions for other voltages (e.g. 3x500V, 3x690V). It should be noted that all parameters resulting from load currents are given for the 3x400V power supply network. -
Page 9: First Run
MFC710/AcR - Section: 3. Installation of the frequency converter MFC710/AcR Fuse Input filter (gR lub aR) Asynchronous Power motor supply network mfc710acr-03.1-en Fig. 3.3: Electrical connection diagram of the MFC71/AcR converter – option III 4. First run The first run should be preformed according to the MFC710 frequency converter User Manual with the following differences: 1. -
Page 10: Table Of Mfc710/Acr Frequency Converter Parameters
MFC710/AcR - Section: 5. Table of MFC710/AcR frequency converter parameters 5. Table of MFC710/AcR frequency converter parameters 1. Group 0: Read-only parameters Parameter Name Description 0.70 AcR I L1 Line current in phase L1 [A] 0.71 AcR I L2 Line current in phase L2 [A] 0.72... - Page 11 MFC710/AcR - Section: 5. Table of MFC710/AcR frequency converter parameters Parameter / Function Setting range / unit Factory Change Name setting during operation 1.113 Service parameter 0,1,2,3 SYNC mode GROUP 2 – REFERENCING-UNITS AND CONTROL 2.113 Enable active rectifier AcR Sw.
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Page 12: Failure Codes
MFC710/AcR - Section: 6. Failure codes 6. Failure codes Table 6.1 – List of failure codes Failure Displayed Description Possible cause Counteraction codes name High Too high temperature of one 1. Hindered airflow. 1. Check ventilation efficiency (fan temperature of the IGBT modules of the efficiency and heat sink pollution). - Page 13 MFC710/AcR - Section: 6. Failure codes Failure Displayed Description Possible cause Counteraction codes name Udc error in Too high Udc voltage 1. Break in the gate signal circuit. 1. Make sure all plugs are firmly three-level imbalance ½ in the 2.
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Page 14: Eu Declaration Of Conformity
MFC710/AcR - Section: 7. EU Declaration of Conformity 7. EU Declaration of Conformity TWERD Power Electronics... - Page 15 MFC710/AcR - Section: 7. EU Declaration of Conformity TWERD POWER ELECTRONICS...
- Page 16 Zakład Energoelektroniki TWERD sp. z o.o. 28-30 Aleksandrowska Toruń, 87-100, PL tel./fax: +48 56 654-60-91 e-mail: twerd@twerd.pl www.twerd.pl SCALONE FIGURY...
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