Digital Tapchanger Control for transformers and regulators
The TCC300 is a dedicated controller for metering,
monitoring, and operational control of step-voltage load tap
changers. The TCC300 is a microprocessor-based package
suitable for substation transformers with on-load tap
changers. The TCC300 can be easily integrated to replace
electromechanical on-load tap changer controllers or for
new installations requiring state-of-the-art controllers.
The TCC300 provides reliable operation with expanding
capabilities such as means to address distributed
generation and cyber security requirements.
Benefits
− Adapter panels to retrofit popular industry tapchanger controls
− USB 1.1 Communications Port for quick field‑updatable programming
− Smart Reverse Power detection/operation with VT configura
tion for source and load sides
− Demand metering/Data Logging with Date/Time Stamp (Single/Three‑Phase)
− Harmonic Analysis
− LDC with R & X or Z‑compensation
− SCAMP (SCADA Controllable Auto/Manual Pushbutton)
Adapter Panel Auto/Manual Switch State can be changed by
a SCADA command
− Sequence of Events Recording
− SCADA HeartBeat
− Smart Flash SD Card
− Source PT Voltage Input
− CBEMA Monitoring
− VAr Bias for downstream coordination with capacitor controls
− Tap position knowledge by four KeepTrack™ methods
− Transformer paralleling by circulating current, Master/Follower
(peer to peer) circuitry, or ∆VAR® methods
− LCD display (rated –20 to +70 degrees Celsius) or Vacuum
Fluorescent display optionally available (rated ‑40 to +80
degrees Celsius)
− Optional Control Power Backup Input for Fiber Optic commu
nication loop‑through
− DNP3.0. MODBUS® and IEC 61850 Communications Protocols available
− Optional Ethernet RJ45 or Fiber Optic Ethernet
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