Signals - ABB RELION 670 Series Technical Manual

Generator protection

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1MRK 502 066-UUS B

Function block

ANSI10000045 V1 EN-US

Figure 195: PSPPPAM (78) function block

Signals

Table 156: PSPPPAM (78) Input signals

Table 157: PSPPPAM (78) Output signals

Table continues on next page

Technical manual

PSPPPAM (78)

ANSI10000045-1-en.vsd

Current group connection

Voltage group connection

Block of function

Block operation in generating direction

Block operation in motor direction

Extension of zone1 with zone2 region

Common trip signal

Trip1 after the N1Limit slip in zone1

Trip2 after the N2Limit slip in zone2

Common start signal

First slip in zone1 region

First slip in zone2 region

Generator is faster than the system

Generator is slower than the system

Slip frequency

Slip impedance in ohms

Impedance protection

SEMOD172911-4 v3

PID-3526-INPUTSIGNALS v3

PID-3526-OUTPUTSIGNALS v3

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