ABB Digital Tapchanger Control TCC300 Features

Features

The TCC300 includes the following features and can be used for

LTCs or regulators where SCADA communications are desired.

− Adjustable Bandcenter

− Adjustable Bandwidth

− Adjustable VAr Bias (Step and Linear Methods)

− Line Drop Compensation, R, X and Z Compensation with ±72 Volt range

− Time Delay, Definite and Inverse

− Intertap Time Delay

− Four Settings Profiles

− Selectable Outputs, Continuous or Pulsed

− Reverse Power Operation with eight control selections includ

ing a distributed generation mode and Smart Reverse Power

Operation with two Auto Determination modes

− CT to VT Phasing Correction

− Real‑Time Metering of measured and calculated parameters (Single/Three‑Phase)

− Demand Metering with selectable time interval

− Drag Hands Operation

− Adjustable Line Overcurrent Tapchange Inhibit

− Voltage Limits

− Tap Position Limits

− Auto Runback (due to overvoltage)

− Auto Runup (due to undervoltage)

− Three independent Voltage Reduction Steps

− Smart Voltage Reduction

− Fast Voltage Recovery

− Sequential and Non‑Sequential Operation

− VT Ratio Correction

− Self‑Test Alarm Output Contacts

− User Programmable Alarm Contacts

− Tap Position Knowledge by:

− Contact KeepTrack™

− Shaft Coupled KeepTrack™

− Resistor Divider KeepTrack™

−Motor Direct Drive KeepTrack™

−Operations Counter

− Resettable Operations Counter

− Tap Position Record

− Auto/Off/Manual Switch Status via SCADA

− A or B Regulator Type Selection

− Control Voltage Input

−Motor Power Input

− Source Voltage Input

− Line Current Input

− Raise Output

− Lower Output

−Motor Current Profiling

− Up to 30 unique 15 character User Access Codes (Level 1 or Level 2)

− 20 Character by 2 Row LCD or optional Vacuum Fluorescent Display

− “Hot Buttons” provide quick access to setpoints, configura tion and communications

− TCC600 Communications Software

− Adapter Panel Auto/Manual Switch Manual control outside of microprocessor

− Front USB 1.1 Communications Port

− External Inhibit of Auto Tapchange

− Circulating Current Input with Circulating Current, optional

∆VAR® Paralleling Methods including Peer to Peer ∆VAR

− Paralleling, and optional Master/Follower (peer to peer) Paral leling (requires Ethernet)

− Front Panel LEDs for Out‑of‑Band Raise, Out‑of‑Band Lower,

Reverse Power Flow Rev Pwr Detected, ALARM in effect,

Voltage Reduction V/RED in Effect, CPU OK, Auto Operation

Block MANUAL, SCADA Control blocked LOCAL and Com1 TX and RX