Electronic Control for Voltage Regulators – CTR-4
Applications:
Single-phase/three-phase control for single-phase voltage regulator banks. (compatible with all brands)
Technical characteristics:
-
Knife switches for short-circuiting the current transformer (CT).
-
Manual switches for starting the motor.
-
Single-phase or three-phase regulation (synchronized with other CTR-4 controls in the same bank via fiber optic communication)
-
Compartment for radio/modem installation.
-
20x4 digit display with backlight.
-
Tap audit function.
-
Fixed difference function for the master when in three-phase mode.
-
Degrees of freedom function (for free single-phase regulation).
-
Standardized connection interface (standard pinout from 1 to 10).
-
Enclosure with IP54 and IK9 protection rating.
-
Enclosure constructed of carbon steel.
-
Nine power flow treatment modes.
-
DNP3.0 level 2 communication protocol with point remapping capability.
-
Provision for cable routing for automation.
-
Selector for switching the light from neutral to phase or neutral.
-
Motor current sensor.
-
Standby system to preserve display life and reduce power consumption.
-
Freeware software for parameterization and capture of records (mass storage).
-
Bracket for mounting to the tank or on a pole.
-
Numeric keypad for quick adjustment.
-
Power supply from 90 to 145Vac.
-
Three digital inputs and DNP3.0 points are available to send messages to the supervisory system.
-
Three simultaneous communication ports.
-
Three programmable logic outputs.
Optional features:
Cables with electrostatic shielding.
Cables with lengths as per customer specifications.
Communication interface converters.
Protocol converters.
Alternative finish colors.
Frontal in English and Spanish.
Internal lighting of the enclosure.
Enclosure with IP65 protection rating.
Enclosure constructed of stainless steel.
Door sensor.
Heating system.
Uninterruptible power supply (UPS) system.
Painting system for harsh environments.
Measurements:
-
Three-phase input counter.
-
Transaction counter.
-
Neutral current.
-
Current on the load side and on the source side.
-
Power factor.
-
Frequency.
-
Total harmonic current and up to 15A.
-
Total harmonic tension and up to the 15th.
-
Apparent, active, and reactive power.
-
Voltage on the load and source sides.
Functions:
Overcurrent blocking.
Maximum and minimum position locks.
Automatic load bonus.
Short-circuit current setting.
Configuration for remote communication.
Control of the tap audit routine.
Date & time.
Voltage and current phase shift.
Fixed difference to master.
Degree of freedom.
Enables regulator.
Current threshold for reverse flow detection.
Maximum and minimum voltage limiters.
Switch reading method.
Mode to trigger regulation.
Power flow treatment modes.
TP and TC ratio.
Selects the master regulator.
Password for operation and administration levels.
Record acquisition time.
Time for neutralization via uninterruptible power supply (UPS).
Inverse timing.
Switch actuation type.
Regulator bank connection type.
Regulator type “A” or “B”.
A regulation profile for direct flow (+3 dynamic profiles depending on the load current).