MCDLV4 Line Differential Protection (MCDLV4-2A0A0AA)
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Configuration
The MCDLV4 protection system protects cables and lines up to 24 km.
The system is able to replace up to six protection devices.
- 2 Cable and Line Differential Devices
- +2 Directional Feeder Backup Devices
- +1 In-Zone Transformer Differential Device
- +1 Mains Decoupling Device
= 6 devices combined in one system
The protection functions of the MCDLV4 have been adapted to comply with the requirements of the VDE‑AR‑N‑4110:2018.
Functional Overview
Approvals
 | |
 | UL File Nr.: E217753 certified regarding UL508 (Industrial Controls) |
 | CSA File Nr.: 251990 certified regarding CSA-C22.2 No. 14 (Industrial Controls) |
 | EAC certified by EAC (Eurasian Conformity) |
 | KEMA Type tested (and certified) regarding IEC 60255‑1 and regarding IEC 61850 |
| Component certificate regarding the German grid code standard VDE-AR-N 4110 (2018-11) |
Complies with IEEE 1547‑2003
Amended by IEEE 1547a‑2014
Complies with ANSI C37.90‑2005
Complies with “Engineering Recommendation G99 Issue 1 Amendment 6 – March 2020”
Wide range power supply: 24 … 270 VDC / 48 … 230 VAC
VT measurement from 0 V up to 800 VAC (300 VAC for some order options)
CT measurement always with 1 A and 5 A
Plausibility verification intelligence
Optimized functional overview by hiding unused functions, parameter and assignments
On-board testing without removing the wiring
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Highly Selective, high speed detection of faulty cables/lines.
Enabling uninterrupted power supply to facility like Airports, Data Centers, Waste Water Stations,…)
On redundant fed HV/MV rings architectures, faulty lines can be switched off with highest speed without any dark time for the rest of the facility.
Making time and current grading obsolete. Don’t need to wait for timers or delays of upstream or downstream breakers.