Inverter Q&A [Applications]


Previous page

Next page

Expand

Collapse

ApplicationQuestion
Úׂð‰B‚·:GeneralGeneral
Why is the starting current so low?
What kind of product is the G7?
What is the allowable voltage range that can be used?
The terms "harmonics" and "noise" appear often lately. Are they the same?
What kind of communications (field networks) does the Inverter support?
Can I connect a transformer to the Inverter's output?
Can a three-phase input Inverter be used with single-phase power supply?
What is needed to use the Digital Operator at another location which is a short distance from the Inverter?
How can I set up 2-step speed operation with a 4 to 20 mA current input and an internal digital frequency reference?
I want to use a 4 to 20 mA analog reference.
What kinds of devices generate noise?
What is the difference between general-purpose (standard) motors and Inverter exclusive-use motors?
Can't the carrier frequency be higher than 10 kHz?
What will happen if the forward and reverse commands are both input simultaneously?
Can the Inverter operate a motor with a capacity smaller than the Inverter's capacity?
What is the best way to determine the Inverter capacity when using a motor other than a 4-pole motor?
I want to use a DC input. What is the appropriate voltage level?
Can the Inverter be used with an input voltage outside of the allowable voltage range (-15% to +10%)?
When the Inverter capacity is larger than the motor capacity, which value should be used to select an AC reactor or DC reactor?
Is it better to use a DC reactor or AC reactor as a countermeasure against harmonics?
What device is required to suppress harmonics?
What precautions are required for long signal wires?
What precautions are required for a long motor cable (100 m or longer)?
What is the difference between general-purpose (standard) motors and Inverter exclusive-use motors?
Can an Inverter drive a motor with a brake?
When is the braking option required?
When is a noise filter required?
The leakage breaker is malfunctioning after adding an Inverter to an existing motor. How can this be corrected?
What is the proper capacity for the circuit breakers and magnetic contactors used in wiring?
Previous page

Next page

Expand

Collapse

| Question Categories | Questions/Products | Products | Applications | Newly-arrived |

[Close]


Copyright(C)2001-2007 YASKAWA ELECTRIC CORPORATION All Rights Reserved.