INVT DBU100H Series, Operation Manual

Page 1: ...DBU100H Dynamic Braking Unit...

Page 2: ...minal of the braking unit 12 5 4 Adjustment 12 5 5 Voltage selection setting 12 6 Parallel running 14 7 Fault analysis and the solution 15 8 Selection 16 8 1 Guidelines of braking voltage selection 16...

Page 3: ...lt in serious injury or death and or damage to the equipment and advice on how to avoid the danger Following warning symbols are used in this manual Symbols Name Instruction Abbreviation Danger Danger...

Page 4: ...if the sea level of installation site is above 2000m Please use the DBU on appropriate condition See chapter Installation Environment Don t allow screws cables and other conductive items to fall insi...

Page 5: ...ponents replacement of the DBU Disconnect all power supplies to the DBU before the terminal wiring Wait for at least the time designated on the DBU after disconnection Take measures to avoid screws ca...

Page 6: ...re the actual installation and usage 1 Check that the ambient temperature of the DBU is below 40 If exceeds derate 3 for every additional 1 Additionally the DBU can not be used if the ambient temperat...

Page 7: ...that the DBU is installed on non flammable materials and the calorific accessories reactors and brake resistors are away from flammable materials 4 Check that all control cables and power cables are r...

Page 8: ...infringes the requirement our company will exempt from any responsibility Additionally if users do not comply with the suggestion some damage beyond the assured maintenance range may occur 3 1 Instal...

Page 9: ...ntaminative air such as corrosive gas oil mist and flammable gas ensure foreign objects such as metal power dust oil water can not enter into the DBU do not install the DBU on the flammable materials...

Page 10: ...anual for dynamic braking unit 8 3 3 Installation mode DBU100H can be installed in wall for all frame sizes 3 4 External dimensions 7 7 H L1 L W Figure 1 Dimensions of 60A DBU Figure 2 Dimensions of 1...

Page 11: ...W2 mm D mm H mm H1 mm DBU100H 060 2 130 65 65 163 260 246 DBU100H 060 4 DBU100H 110 2 150 75 100 260 340 326 DBU100H 110 4 DBU100H 110 6 DBU100H 160 2 DBU100H 160 4 DBU100H 160 6 DBU100H 220 2 DBU100H...

Page 12: ...braking units are the high performance and heavy load dynamic braking units promoted by our company which can brakes at the rated braking current to meet the application need in the situation of big i...

Page 13: ...than 10m DC and DC are the of the internal DC bus in the DBU DC is the positive pole and DC is the negative pole Wrong wiring of the main circuit may cause damage to the DBU and the braking unit Do no...

Page 14: ...AC250V 1A DC30V 2 Do not use it as the high frequency switch output with cautions ROB ROC When there is only one braking unit please connect the DBU braking unit and braking resistor according to fig...

Page 15: ...80 8 1000 1110 Reserved Reserved Reserved 9 Slave mode Slave mode Slave mode Note If the grid voltage is above more than 20 of the normal supply please set bigger braking voltage Please ensure the all...

Page 16: ...its are put into use the first one is the master and the others are the slaves The parameters setting of the slave are referred to the section 9 of braking threshold and the braking rate of the master...

Page 17: ...g IGBT damage Change the braking unit The voltage selection of the braking unit is not correct Reset Braking unit fault Change the braking unit 3 OU of the DBU Insufficient braking capacity of the bra...

Page 18: ...basis the braking resistor needs to absorb all the regenerative electric energy of the motor Absorbed power of the braking resistor V I The regenerative electric energy of the motor W 1000 P 8 3 Calc...

Page 19: ...the selection reference when the DC operating point of the braking unit is 380V Power Model 100 of the adaptation braking resistor of the braking torque Dissipated power of the braking resistor kW 10...

Page 20: ...9 8 41 66 75kW 6 5 11 56 90 90kW DBU100H 160 4 5 4 14 68 108 4 4 110kW 4 5 17 83 132 132kW DBU100H 220 4 3 7 20 99 158 3 2 160kW DBU100H 320 4 3 1 24 120 192 2 2 200kW 2 5 30 150 240 220kW DBU100H 400...

Page 21: ...DBU100H 320 6 4 8 38 188 300 3 4 280kW 4 3 42 210 336 315kW 3 8 47 236 378 350kW 3 5 53 263 420 400kW DBU100H 400 6 3 0 60 300 480 2 8 500kW Two DBU100H 320 6 4 8 2 38 2 186 2 300 2 5 0 2 560kW 4 4 2...

Page 22: ...namic braking unit 20 resistance to sell Note Parallel braking unit can enlarge the braking capacity The braking capacity of 2 parallel braking units is two times of one braking unit For example DBU10...

Page 23: ...trument test Conforming to the manual Ensure there are no tools or other foreign or dangerous objects Visual examination There are no tools or dangerous objects Voltage Ensure the main circuit and con...

Page 24: ...the conductors caused by overheating Visual examination NA Ensure that there are no crackles or color changing of the protective layers Visual examination NA Terminals seat Ensure that there is no dam...

Page 25: ...me according to the maintenance information NA Cooling system Cooling fan Estimate whether there is abnormal noise and vibration Hearing and Visual examination or rotate with hand Stable rotation Esti...

Page 26: ...ions Ignoring the instructions would cause physical injury or death or damage to the equipment 1 Stop the DBU and disconnect it from the AC power source and wait for at least the time designated on th...

Page 27: ...201811 V1 6 66001 00143 I I...