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What is mean by CT Saturate? how do we calculate?
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Answer Posted / s. puranik
Normally, CT is a Current Transformer. If the load current
is high, then this high current is allowed to pass through
its primary. Proportional load current is available at its
secondary. So a suitable meter can be connected to read the
secondary current which is proportional to the actual load
current. CT has its own capacity to give proportional
output current of its primary current. Upto certain
designed value CT gives proper proportional output of
primary current. But if primary current exeeds its primary
current designed value then CT does not respond to the
primary current proportionally but instead, the output
remains constant without any variations proportional to
primary or load current. This means CT is saturated.
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