Protective Elements
838
MCDLV4
DOK-HB-MCDLV4-2E
Generator Neutral
27TN / VX meas H3 pickup
(undervoltage )
59N pickup (overvoltage)
Third Harmonic
N
e
u
tr
a
l V
ol
ta
g
e
3rd harmonic during normal operation
3rd harmonic during a fault
0%
100%
59
59N
&
t
T
0
t
T
0
27TN
>1
Logics
prevents faulty tripping during dead system / generator standstill
Neutral voltage (depending on
fault location)
Neutral voltage during normal
operation
59N
27TN
Generator Terminals
10% - 100%
0%-20%
Fundamental
59N
100%
27TN
Trip
Summary of Contents for HighPROtec MCDLV4
Page 3: ...Order Code Order Code 3 MCDLV4 DOK HB MCDLV4 2E...
Page 47: ...Installation and Connection 47 MCDLV4 DOK HB MCDLV4 2E...
Page 164: ...Input Output and LED Settings 164 MCDLV4 DOK HB MCDLV4 2E...
Page 433: ...Parameters 433 MCDLV4 DOK HB MCDLV4 2E...
Page 457: ...Device Parameters 457 MCDLV4 DOK HB MCDLV4 2E...
Page 473: ...Blockings 473 MCDLV4 DOK HB MCDLV4 2E...
Page 988: ...Protective Elements 988 MCDLV4 DOK HB MCDLV4 2E P P Q P Q P Q Q Q P S S...
Page 989: ...Protective Elements 989 MCDLV4 DOK HB MCDLV4 2E Pr Q P Q P Qr...
Page 1023: ...Protective Elements 1023 MCDLV4 DOK HB MCDLV4 2E...