ABB REG216 Digital Generator Protection Module Protection functions

Protection functions

All protection functions required for independent protection of generators, power transformers and feeders are available.

All protection functions required for transformers and feeder lines.

The system thus replaces multiple relays in conventional protection schemes used for such power system equipment.

Therefore, the system replaces multiple relays in conventional protection schemes used for this type of power system equipment.

The table on page 2 describes the most important protection functions.

Simply use your personalcomputer to select the desired protection function

from a comprehensive library of protection functions for your specific application.

Use personalcomputer to select the required protection functions from a comprehensive library.

No knowledge of computer programming is required.

All setting ranges are very broad, making the protection functions suitable for a wide range of applications.

The following main parameters can be set:

- Processing unit assignment

- Input channels

- Pickup setting

- Time delay

- Definition of operating characteristics

- Trip logic

- Control signal logic.

Protection functions can be “connected” to specific input channels by setting the corresponding parameters.

Digital input and output signals can also be logically combined internally:

- The tripping outputs of each protection function can be assigned in a matrix fashion to the channels of the trip auxiliary relay assembly.

The channels of the trip auxiliary relay assembly.

- The contact and trip signals can be assigned to the channels of the signaling auxiliary relay assembly.

The channels of the auxiliary relay assembly.

- Each protective function can be blocked by a digital signal (e.g. digital input or trip signal using another protective function).

- External signals applied to the digital inputs can be processed in any desired way.

- The digital signals can be combined to perform logical functions,

e.g. an external enable or blocking signal with the output signal of a protective function.

The digital signals can be combined to perform logical functions,

such as external enable or blocking signals with the output signals of a protection function

or with the output signals of an internal protection function, which can then be used to block one of the other protection functions.

Using the process bus type MVB, the remote input and output unit 500RIO11 can be connected to the REG216 terminals.

By using the RIO580 Remote I/O system, it is possible to expand the number of input and output channels to a larger number.

Mounting the 500RIO11 I/O unit close to the process allows it to be connected to the REG216 terminals via fiber optic connection, which greatly reduces wiring.