23
15. Specifications
■
Model
PAC46 Thyristor three phase power regulator
■
Control Input and Ratings
•
Current input
: 4 to 20 mA DC/Receiving resistance: 100 Ω
•
Voltage input
: 1 to 5 V DC/Input resistance: About 300 kΩ or above
0 to 10 V DC/Input resistance: About 220 kΩ or above
■
Supply Voltage and Ratings
•
200 V type
: 200 to 240V AC ±10% 50/60Hz
•
400 V type
380 to 440 V AC ±10% 50/60 Hz, TBD*
■
Current Capacity
: 20A, 30A, 50A, 75A, 100A, 150A, 200A, 300A, 500A, 600A
■
Control Mode
: Phase angle control
■
Soft-start Function
: About 1 to 30 seconds, adjustable (time to reach 90% output from 0)
■
Possible Loads
: Resistive load, inductive load (transformer primary side control)
■
Minimum Load
: 20A:0.5A
30A:0.5A
50A:0.5A
75A:0.5A
100A: 1.0A
150A: 1.0A
200A: 2.0A
300A: 2.0A
500A: 2.0A
600A: 2.0A
■
Output Voltage Control Range
: 0 to above 98% of input voltage
■
Output Stability
: Input fluctuation ±2% or less when input fluctuation is ±10%
(Output voltage 95% or less)
■
Output Accuracy
: Output accuracy of various feedback controls
Control output accuracy ±3.0%FS possible
(Output within 10 to 90% range, average of three phases)
■
Control Element Composition
: SCR x6, parallel/anti-parallel connection (six arms)
■
Over-current Protection System
•
Electronic gate signal shutoff
function
: About 110% of rated current (when crest factor is 2 or less)
•
Rapid fuse (option)
: About 117 to 133% of rated current
■
Cooling System
•
Self-cooling system
: 20A, 30A
•
Forced air cooling system
: 50A to 600A
■
Alarm Monitors
•
Over-current
: [O.C]
LED lights.
Continuity established between
terminals (ALM-C) and (ALM-N.O.)
∙∙∙
When over-current protection
is active
•
Rapid fuse blown
:
[FUSE]
LED lights.
Continuity established between
terminals (ALM-C) and (ALM-N.O.)
∙∙∙
When rapid fuse is blown
•
Internal temperature abnormal
: [O.H.]
LED lights.
Continuity established between
terminals (ALM-C) and (ALM-N.O.)
∙∙∙
When abnormal temperature
is detected in radiator
•
Heater break
: [H/B]
LED lights.
Continuity established between
(H/B-ALM) terminals
∙∙∙
When heater break alarm is
active
•
Output contact rating
: 240V AC 1A
Resistive load
■
Power Lamp
•
When power supply is normal
: Green LED lights.
•
When open phase/phase
sequence abnormal
/frequency abnormal occurs
: Red LED lights.
Open phase/phase sequence abnormal,
abnormal frequency (when power supply frequency is about 44 Hz or below or about 65 Hz or
above)
■
Standard Functions
•
Control Mode
: Select one of the following:
•
Phase control and voltage feedback
•
Phase control and current feedback
(Possible loads: Pure metal, Kanthal Super heater, and other heaters)
•
Phase control and power feedback (Possible loads: Silicon carbide, carbon, and other heaters)
•
Phase control and voltage square feedback (Possible loads: Nickel chrome and other heaters)
•
Communication function (Factory-set to voltage feedback control mode,
Can be set to desired feedback mode via RS-485 communication)
* Output increases at control input of 3% or above
•
Output adjustment function
: Internal power
0 to 100%
•
Digital control input (DI)
: Two-point input
Non-voltage contact, or open-collector connection possible, 5 V 0.88 mA max.
DI-1: Base power/manual power selection
DI-2: Start-up time output limit time synchronization signal
•
Alarm output (ALM)
: One point (1C contact), 240 V AC 1 A, insulated from system
Over-current, internal temperature abnormal
•
Heater break alarm function
: Heater break detection and H/B alarm output (H/B ALM)
Setting range
10 to 100% (Accuracy is not guaranteed at less than 30%)
Accuracy
Within ±5% (When set to 30% or above)
