Protective Elements
Phase Differential Protection Applications
The phase differential protection can be used for the following applications:
Application Type 1 (cable / line): Phase differential protection of cables and lines – 87 L
The following device planning parameter must be set on both protective devices:
Device Planning / Transformer.Mode = not used
Application Type 2 (cable / line with transformer): In-zone transformer differential protection for a transformer that
is installed within the protection zone – 87 T
The following device planning parameter must be set on both protective devices:
Device Planning / Transformer.Mode = use
598
MCDLV4
DOK-HB-MCDLV4-2E
A
B
IB
prim
IA
prim
CT
A
Device
A
Device
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Id
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W2
IB
sec
IA
sec
CT
B
I
W1
Ib
Is
Ib
Id
Ib
Is
Ib
Id
_Z
0
4
A
B
IB
prim
IA
prim
CT
A
Device
A
Device
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Id
I
W2
IB
sec
IA
sec
CT
B
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W1
Ib
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Ib
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Ib
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5
3I0B
sec
W1 W2
D yn
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...