The Automatic Voltage Regulator – AVR:
Guide and Comparison
The Operation, Application and Comparison of Automatic Voltages Regulators in AC Power Applications
5.2 Constant Voltage Transformer Characteristics
The typical ferro voltage regulator has the following characteristics:
Size (kVA): |
30 VA up to 25 kVA |
Nominal Voltages: |
Common AC voltages - 120, 208, 240 & 480 at 60 Hz |
Input Voltage Range: |
+10% to -20% (varies by manufacturer) |
Output Regulation: |
+/-1% to +/-3% (varies by manufacturer) |
Phase: |
Single phase application only |
Voltage Step Up/Down: |
Yes |
Cooling Media: |
Air |
Location: |
Indoor |
Efficiency: |
Up to 92% (see Disadvantages) |
Quick Links
1 The AC Automatic Voltage Regulator
2 Automatic Voltage Regulators and Power Conditioners
3 The Need for Automatic Voltage Regulation
4 Automatic Voltage Regulator Function
5 The Ferroresonant Transformer (Type) Voltage Regulator
6 The Mechanical (Type) Voltage Regulator
7 The Electronic (Type) Voltage Regulator
Complete Table of Contents...