MGVCL Exam Paper (30-07-2021 Shift 2)
In the context of smart meters, the term 'SMETS' stand for

Standard Monitoring Equipment Technical Specifications
Smart Metering Equipment Technical Specifications
Standard Metering Equipment Technical Specifications
Smart Monitoring Equipment Technical Specifications

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MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

minimize the effect of saturation of the main CTs
limit the main CT secondary current
match the standard ratio of CTs used on both sides of the transformer winding
increase the sensitivity of the relay

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