Automatic Voltage Regulator(A.V.R.)

Good Inside And Outside With Cost-Effective

● Panel with the functions enhanced which able to get the operation status at any time

● ON. OFF dust cover to avoids the entry of oil vapor and dust

● When failure occurs, magnetic contactor / switch will trip the power supply with alarm indicated.

● Visualized Digital Voltmeter

● Outer box design reduces failure rate: The enlarged outer box helps heat dissipation, and cleaner inside

● Safety vent hole: Oil vapor, dust, and iron filings are not easy to invade, reducing the dirt and the failure rate

● The skeleton is one piece formed instead of assembly type, which is stronger and shockproof

● 40KVA (included) ~ 150KVA models mounted the Japan's Mitsubishi industrial grade power switch

● The “clutch” made of metal and the “central shaft" is made of glass fiber, not plastic. The purpose is to prevent loosening and deformation fracture

● All coils are made of copper wire which saves more electricity than aluminum wire, and it can avoid the problems of wire corrosion and bad contact

● Using three main boards and one protection board to work together. It can reduce the failure rate and save future maintenance costs.

Technical Features:

1. Control Method: Each phase of the three phases of voltage is separately controlled to have a balanced output from each phase. When the imbalance up to 30%, it can be corrected within 2%.

2. Voltage Regulation Range: Input rated voltage value ±15% (Taking 220V for example, the range is 187V~253V) or ±20%, ±30%.

3. Voltage Regulation Accuracy: The error value of voltage output is less than ±1%

4. Response Time: The voltage stabilization action is completed within 0.1 seconds

5. Structural Equipment: LED displays the status of machine and everything is under control, and its unitized module design is to have separate parts for reducing the maintenance costs.

6. Overload Capacity: A momentary overload of over 150% is tolerable without causing a huge voltage drop.

7. Reinforced PC Board: Laminated with double layer glass fiber material to resist the adherence of water vapor, oil vapor and dust to the surface, and avoid bad contact.

8. Thoughtful Design: It uses the concealed voltmeters and no fuse breaker to avoid improper shutdown and man-made damage. It is safe and durable.

9. Output Efficiency: From no load to full load, the output efficiency is as high as up to 95% or more

Protection functions:

1. Instant Electric Power Failure Delay Protection: Instant power failure and immediate power on will generate extremely high pulse voltage, which will severely damage the mechanical equipment, especially the controller. This function will not let the equipment restart until external power is restored to a normal state.

2. Too High / Low Voltage Protection: When the input voltage encounters abnormal voltage, the buzzer will sound a warning and trip the power automatically to avoid affecting the accuracy of machinery and equipment operation, and reduce depreciation and loss.

3. R.S.T Phase Failure Protection: If any phase failure suddenly by external power, the power will be stopped immediately to avoid damaging the machine.

4. CPU Monitoring Function: An microcomputer (CPU) performs whole process monitoring and detection, enhances various protective functions, and intercept abnormal power in an efficient way.

5. When an overload and short circuit occurs, the power will be cut off automatically to ensure the safety of electricity using.

6. Abnormal Power Indicator Light: When the AVR is abnormal, the buzzer will sound a warning and the reasons of the failure can be judged by the indicator light to save maintenance & repair time.

7. Bypass Switch Change Over Function: The AVR still has voltage abnormal protection for too high/low voltage, phase failure, instant electric power failure with power restoration.

8. Adjustable Output Voltage Function: The output voltage can be adjusted around ±10% to meet the use of various types of machinery.

9. Low Voltage Start and Startup Self-Detection: In any case, the AVR is started by low voltage, and then it will perform internal self-detection after startup. The power is supplied after everything is normal to ensure the correctness and safety of the output voltage.

Applicable Range
• CNC Machines, SMT • Precise Measuring & Testing Equipment
• Laser Cutting Machine • Generator
• Process Control System • GSM Base Station
• Military Research & Defense Weapons • Medical Equipment
• Auto-testing Equipment • TV & Radio Broadcasting Stations
• Medical Monitoring System

※ The model of the AVR + Transformer is CTAM3 + AUTO (Auto Transformer) or ISO (Isolation Transformer)

※ There is another catalogue large capacity 300-30,000KVA stabilizer

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