Specifications

Protections Ver: 0002 E - 3
1.1 PEAK CURRENT LIMIT AT THE DRIVE
The operator may adjust the value of parameter CP20 -F00307- to limit the current command.
This way, the drive will never attend to current commands exceeding the I
peak
.
Parameter setting:
CP20 < i
peak
on synchronous motors
Bear in mind that:
on asynchronous motors
Monitoring:
if (I
real
> k * I
IGBT
) => the current will be temporarily cut off
where the value of k is: 1.5 on synchronous motors
1.33 on asynchronous motors.
When exceeding this limit, the drive will cut off the current and when the current
returns below this limit, it will be activated back. Working in this area will cause
undesired current oscillations.
If (I
real
> 1.6 * I
IGBT
) => it will issue error 212
Exceeding this limit would damage the IGBTs.
1.2 TEMPERATURE SENSORS ON THE HEAT-SINK.
There is a temperature sensor (gage) on the drive's heat-sink.
KV10 -F01102- variable provides information about this temperature.
KV10 (F01102) CoolingTemperature
Function: Reading of the heat-sink temperature of the module
Units: Tenths of degree Centigrade
Ipeak I
IGBT
=
Ipeak
I
2
IGBT
=