Taizhou Chuangji Mould Co.,Ltd
5 1

MX321 Automatic Voltage Regulator AVR for Stamford Generator

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Taizhou Chuangji Mould Co.,Ltd
[China]

Address
NO.16 JINNIU ROAD XINQIAN DEVELOPMENT ZONE HUANGYAN TAIZHOU CITY ZHEJIANG CHINA Taizhou Zhejiang
Phone
86-0576-84060588-801
Contact name
jenny

Quick Information

  • Place of Origin: China

Description

 
Automatic Voltage Regulator AVR MX321
is the replacemet for stamford AVR MX341
The MX321 has all the features of the MX341, additionally achieving voltage regulation in the order of 0.5 %. There is also the facility for 3-phase RMS sensing, built in overvoltage protection and optional short circuit current level adjustment.
The combination of PMG providing an isolated power source and the MX321's RMS sensing makes an ideal arrangement for supplying the non-linear loads associated with UPS systems.
 

 

Technical specification

SENSING INPUT

       Voltage      190-264V ac max, 2 or 3 phase

       Frequency    50-60HZ nominal

   

 

POWER INPUT

       Voltage      170-220 V ac max, 3 phase,3 wire

       CURRENT:   3A/phase

       Frequency    100-120HZ nominal

   

 

OUTPUT

       Voltage      max 120V dc

       Current      continuous 3.7A dc

                   Intermittent 6A for 10 secs

       Resistance    15 ohms minimum

REGULATION

       +/-0.5% RMS with 4% engine goverming

THERMAL DRIFT

       0.02% per deg.C change in AVR ambient

TYPICAL SYSTEM RESPONSE

       AVR respone         10ms

       Filed current to 90%   80ms

       Machine Volts to 97%  300ms

EXTERNAL VOLTAGE ADJUSTMENT

       +/-10% with 5k ohm 1 watt trimmer

UNDER FREQUENCY PROTECTION

        Set point    95%HZ

        Slope       100% -300% down to 30HZ

        Max dwell   20% volts/S recoverey

UNIT POWER DISSIPATION

        18 watts maximum

ANALOGUE INPUT

        Maximum input +/-5V dc

        Sensitivity 1V for 5% Generator Volts(adjustable)

        Input resistance 1k ohm

QUADRATURE DROOP INPUT

        10 ohms burden

        Max.sensitivity:0.22A for 5% droop OPF

        Max.input:0.33A

CURRENT LIMIT INPUT

        10 ohms burden

        Sensitivity range:0.5-1A

OVER VOLTAGE DETECTOR INPUT:

         Set point:300V,time delay:1 sec

         CB trip coil volts:10-30 vdc

         CB trip coil RESISTANCE:20-60 ohms

OVER EXCITATION PROTECTION:

         Set point:75vdc

         Time relay:8-15 sec

Environmental

        Vibration   20-100HZ             50mm/sec

                   100Hz 2kHz           3.3g

        Operating temperature              -40 to +70 C

        Relative Humidity 0-70C            95%

        Storage temperature                -55 to +80 C

 

We supply the following STAMFORD, LEROY SOMER, MARTHON, CATERPILLAR,  UNIVERSAL AVR:
1. STAMFORD AVR:
1) AS440
2) SX460
3) SX440
4) MX341
5) MX321
6)AVR-8A
7)AVR-12A
8)AVR-15A
9)AVR-15B
2. LEROY SOMER AVR
1) R230
2) R438
3) R448
4) R449
3. MARTHON AVR: SE350
4. Caterpilla AVR: VR6
5. Universal AVR:
1) AVR-8A
2) AVR-12A
3) AVR-15A


Packaging & Delivery

  • Minimum Order : 1

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