DEMA VPM 400 D User Manual

90
-1
I_PFRC_1
(df/dt)>
81R-I-1
-2
I_PFRC_2
(df/dt)>>
81R-I-2
-3
I_PFRC_3
(df/dt)>>>
81R-I-3
-4
I_PFRC_4
(df/dt)>>>>
81R-I-4
-5
I_PFRC_5
(df/dt)>>>>>
81R-I-5
-6
I_PFRC_6
(df/dt)>>>>>>
81R-I-6
Rate of Change of Frequency Protection Function Symbols
The menu view is as follows. The menu consists of four lines.
Rate of Change of Frequency Protection Display
4.3.4.3.1 Protection

activated in the active state and disabled in the passive state.
4.3.4.3.2 Start Value
It is the screen where the Rate of Change of Frequency Protection is set when the protection is
active. Selection is made (+10  -10) Hz/s range.

DEMA VPM 400 D Specifications

General

Brand	DEMA
Model	VPM 400 D
Category	Relays
Language	English