ABB G3LR 1KHW000628R0101 Circuit board module

Description

This group of information shall partly be included in the design phase; example: parameters related to su

per-synchronous braking (09.08 and 09.09).

Parameters related to the PID-regulator can be estimated by the designer and tuned by the start up engi

neer.

In release 10_040 a function was included that disables the integral part of the speed regulator at very

low speed. In some situations this is not suitable.

From release 10_053B (November 2006) it is possible to activate the integral part of the speed regulator

also at very low speed. The activation is made by setting parameter 06.14 to 10 instead of 0, or 11 instead

of 1. Most used value for new design will be 10.

Alternatively to Speed control Acceleration control (Group 18) can be used for travel motions. Acceleration

control is available from release 10_054.

The PI control is maintained inside the speed range there the controlled slip ring motor can produce as

much torque that the desired torque can be delivered. For Hoists going up and Travel motions this limit is

assumed to be not less than 85% of the synchronous speed.

For Hoists going down normally Super-synchronous lowering is used to reduce heat up and regenerate the

lowering energy to the power grid. The switch over speed for this is normally 95%.

The Normal values are used for a first start up.

Details: If you need an urgent delivery order, please feel free to contact us, and we will do our best to meet your needs.
Price issue: If you find that other suppliers offer a cheaper price for the same product, we are also willing to provide you with a reference price and give you further discounts.
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