Interested to Buy Any Domain ? << Click Here >> for more details...
advantages of vvvf drives over non vvvf drives for EOT
cranes
- 2 Answers
- 15162 Views
- HEC, I also Faced
- E-Mail Answers
Answer Posted / sivaramakrishnan.s
Starting current is limited mostly to 1.5 times of motor
Full load current
as there is no contactor for power control maintenance is
less
| Is This Answer Correct ? | 9 Yes | 2 No |
Post New Answer View All Answers
Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?
1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?
why high speed tripping relay will be used in tripping circuit why not normal relay
What difference between ref protection and differential protection ?
what is magnetizing and demagnetizing current in generator and motor?
What is difference between Harmonic and Non harmonic Capacitor Bank?
what is meant by class 1 E in electrical power supply?
Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?
boiler is running in rankine cycle and deisel generator is....?
WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .
If a high resistance fault occurs,then what are the changes will happen in the system?
What is mean by spike arrester(Voltage Operated)
During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP
please send me the L&T Emb. sys. placement papers and entire details of pattren
what is EIB lighting control system? what is the advantages of this system?
