Product Description

Item Name:Voltage Regulator AVR

Part Number: NTA-4A-2DD NTA4A2DD

Application:

Compatible with 45ESI Denyo Diesel Generator

Product Description：

AVR NTA-4A-2DD for Denyo Generator china replaced is a half-wave phase controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator.

In addition to regulating the generator voltage, the AVR circuitry includes under speed and sensing loss protection to ensure safe, reliable control of the generator.

Positive voltage build up from residual levels is ensured by the use of proficient semiconductors in the power circuitry of the AVR.

Which is linked with the main stator windings and the exciter field windings to offer closed loop control of the output voltage with load regulations of +/- 1.5%.

Auxiliary winding input:AC 5V-200V

Maximum excitation voltage output:120V/5ADC/10S

Main winding voltage input:400VAC,50HZ/60HZ

Low frequency protection adjustable:50HZ/60HZ

Generator field resistance:≥5Ω

Steady-state voltage regulation rate:≤±0.5%

Voltage adjustment range:≥15%

Minimum remanent excitation voltage:≥5V/30HZ