MCDTV4 Enhanced Transformer Differential Protection (MCDTV4-2A0AAA)
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Configuration
The MCDTV4 offers an all-in-one solution for HV, MV and LV transformers and it offers much more than just a differential protection package.
Furthermore it can detect critical operation states based on voltage measurement (e.g. Overexcitation).
The MCDTV4 provides in addition to that an Interconnection package. This can be used for mains protection at the point of common coupling (e.g. for directional reactive power undervoltage protection).
The integrated backup protection package enables the MCDTV4 to act as backup protection (e.g. for downstream breakers).
Additional features like demand management are available without extra charge.
The protection functions of the MCDTV4 have been adapted to comply with the requirements of the VDE‑AR‑N‑4110:2018.
Functional Overview
Certifications
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 | 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 |
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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Protection of power transformers (HV, MW, LV) against internal phase and ground faults as well as external faults.