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Classification and scope of application of TC-3000 series of protection measurement and control devices
TC-3011 is suitable for feeders, capacitors and transformer protection devices with voltage levels of 35KV and below。
TC-3051 is suitable for protection measurement and control devices of high voltage asynchronous motors with voltage levels of 35KV and below。
Its installation mode is embedded, the device can be centralized group screen or can be dispersed on the high voltage switch cabinet。
Comprehensive protection measurement and control device TC-3011
Protection function
(1) three-phase quick-break protection (with low-voltage locking function, can be returned respectively);
(2) three-phase overcurrent protection (with low pressure locking function, can be returned respectively);
(3) Three-phase overload alarm;
(4) negative sequence overcurrent protection;
(5) Overvoltage protection;
(6) Low voltage protection;
(7) Low frequency load reduction (with low pressure locking function);
(8) Zero sequence overcurrent protection (trip/alarm, adjustable);
(8) Zero sequence voltage protection (trip/alarm, optional);
(9) Voltage break alarm;
(10) inverse time overcurrent;
(11) 4-way non-electric protection (trip/alarm, adjustable)
All of the above protection has a software switch, which can be put in and out respectively。
Measurement and control function
(1) Telemetry: Ia, Ib, Ic, P, Q, COSΦ, F, Uab, Ubc, I0, I2, harmonics, etc.(No need for external measurement CT)
(2) Remote information: 12 remote information open amount collection (circuit breaker position, spring is not stored energy, etc.);
(3) Remote pulse: integrated electrical degree;
(4) Remote control: remote jump, remote combination and 4 remote control standby。
Motor protection measurement and control device TC-3051
Protection function
(1) Start time is too long protection
(2) Two fixed time limit overcurrent protection (quick break, overcurrent)
(3) Overheat protection (overheat alarm or trip, alarm coefficient can be adjusted)
(4) Overload protection alarm
(5) Negative sequence overcurrent protection
(6) Zero sequence overcurrent protection (alarm/trip, can be adjusted separately)
(7) Low voltage protection (with PT break lock function)
(8)PT break alarm
(9) 4-way non-electric protection (trip/alarm, adjustable)
(10) Inverse time overcurrent
(11)FC circuit high current blocking protection。
All of the above protection has a software switch, which can be put in and out respectively。
5.2 Measurement and control functions
(1) Telemetry: Ia, Ib, Ic, P, Q, COSΦ, F, Uab, Ubc, I0, I2, harmonics, etc. (no need for external measurement CT)
(2) Remote message: 12 channels remote message input collection (circuit breaker position, spring not stored energy, etc.)
(3) Remote pulse: integral electrical degree
(4) Remote control: remote jump, remote combination and 4 remote control standby
Microgrid Special relay protection device TC-3095 (H) 380V (10kv)
Protection function
(1) three-phase fast break protection (with low pressure lock function, can be returned respectively);
(2) three-phase overcurrent protection (with low pressure locking function, can be returned respectively);
(3) Three-phase overload alarm;
(4) negative sequence overcurrent protection;
(5) Overvoltage protection;
(6) Low voltage protection;
(7) manual switching function;
(8) Zero sequence overcurrent protection (trip/alarm, adjustable);
(9) Zero sequence voltage protection (trip/alarm, optional);
(10) Voltage break alarm;
(11) Inverse time overcurrent;
(12) Isolated network/grid-connected mode conversion;
All of the above protection has a software switch, which can be put in and out respectively。
Measurement and control function
(1) Telemetry: Ia, Ib, Ic, P, Q, COSΦ, F, Uab, Ubc, I0, I2, harmonics, etc.(No need for external measurement CT)
(2) Remote information: 12 remote information open amount collection (circuit breaker position, spring is not stored energy, etc.);
(3) Remote pulse: integrated electrical degree;
(4) Remote control: remote jump, remote combination and 4 remote control standby。
