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Mecc Alte Automatic Voltage Regulator AVR ASR DER2

DER2 AVR

ASR AVR

 

introduction

Origin: Italy

Brand: Mecc Alte

Gross Weight: 0.5 kg

Stock Status: In stock

Part No. : ARS DER2

Function: Mecc Alte AVR ASR

Usage: Mecc Alte ASR AVR

Compatible with: Mecc Alte AVR DER2

Product Name: original Mecc Alte AVR ASR DER2

Mecc Alte Automatic Voltage Regulator AVR ASR DER2


DER2 Product Specification Download.pdf

 

Mecc Alte ASR AVR , Mecc Alte DER2 AVR only has original one available!

The Latest-technology Mecc Alte ASR AVR (Analogic Simplified Regulator) assure an trouble-less use, a precise voltage control and an underfrequency protection.

The Mecc Alte AVR ASR is a closed loop automatic voltage regulator system, that controls and keeps constant the alternator output voltage. The output voltage of the alternator is monitored and confronted with a reference signal: the difference between the two is used to control the conduction state of an SCR.

The SCR is controlled by the width of its pulse, and resulting in a rectified DC output which is injected in the rotating inductor of the generator, generating consequently the AC output voltage.

ASR AVR is used for Mecc Alte ES and ET series generators.

Characteristics

Input power supply

180 ÷ 280 Vac

Precision of voltage regulation

± 2,5%

Maximum output current

6 A

Working temperature

-20°C ÷ +70°C

Standard generator voltage regulation

100 ÷ 280 Vac

The Mecc Alte AVR DER2 is a voltage regulator for synchronous alternators, designed for stand alone working and calibration; the connectors for connection to and from the power generator and to the supervision unit are located on the DER2 regulator.

DER2 AVR includes natively the USB port for computer remote monitoring and control and the HDR module.

The High Dynamic Response allows a faster reduction of excitation current than conventional regulators and consequently a smaller transient overvoltage as a result of load removal.

The supervision unit can be made up of a personal computer, another “synoptic” device or both; it does not have the function of controlling the system in real time, but allows programming and visualisation of all operational parameters of the DER2 through the embedded USB port

Characteristics

Variable voltage supply

40 ÷ 270 Vac

Frequency range

12 Hz ÷ 72 Hz

Precision of voltage regulation

± 1%

Precision of voltage regulation (stabilized   condition)

± 0,5%

Maximum continuous output current

5 Adc

Environmental temperature

-25°C ÷ +70°C

Voltage regulation

75÷300 Vac

Transient voltage drop and overvoltage

within ± 15%

Voltage recovery time

within ± 3% of the value set,   in less than 300 msec

Sensing

Single phase or Three phase

Parameters (can be programmed via software)

VOLT, STAB, AMP and Hz can be   set with trimmers (default)

50/60Hz through a “jumper”   (default)

Features

Power connections through 20 poles Fast-On   connector

Protection of power winding with 5A fast   acting fuse

0 ÷ 2,5Vdc or -10 ÷ +10Vdc external voltage   for analogical remote control of output voltage

Remote control of output voltage through   external potentiometer (from 25Kohm to 100Kohm)

Underspeed protection with adjustable   threshold and slope

Overvoltage and undervoltage alarms

Excitation overcurrent protection with   delayed intervention

Underexcitation alarm/loss os excitation

Management of temporary short circuits   (start up of asynchronous motors)

High Dynamic Response: load removal   management unit

Open collector output (not insulated)   signalling some allarm intervention with programmable activation in respect   of each alarm and possibility of the intervention delay and selectable active   level

Allarm conditions storage (type of alarm,   number of events, duration of the last event, total time)

Memorization of the regulator operation   time

USB communications through the embedded USB   port

HT Industrial Automation Limited
(Chongqing HT Electronic Tech. Limited)
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Fax: 0086-023-85551980
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