Model: | MX321 |
---|---|
Brand: | Stamford |
Origin: | Made In China |
Category: | Electronics & Electricity / Power Supply & Distribution / Voltage Regulator |
Label: | MX321 , AVR , Generator parts |
Price: |
US $10
/ pc
|
Min. Order: | 1 pc |
Voltage Stabilizer MX321
1.Automatic voltage regulator (AVR)
2.Compatible alternator :STAMFORD
3. IN STOCK
4.CE
Voltage Stabilizer MX321
MX321 is a three phase sensed Automatic Voltage Regulator and the forms part of excitation system for brush-less generator.
Technical specification |
|
Sensing input |
|
voltage |
190 -264V ac max,2 or 3 phase |
Frequency |
50-60 Hz nominal |
Power input (PMG) |
|
Voltage |
190-220V ac max.3 phase ,3 wire |
current |
3A/phase |
Output |
|
Voltage |
Max 120V dc |
Current |
Continuous 3.7 A ( see note 1 ) Intermittent 6A for 10 secs |
resistance |
15 ohms minimum |
regulation |
+/- 0.5% RMS with 4% engine governing (see note 2 ) |
Thermal drift |
0.02% per deg .C change in AVR ambient (note 3 ) |
Soft start ramp time |
0.4 – 4 seconds |
Typical system response |
|
AVR response |
10 ms |
Filed current to 90% |
80 ms |
Machine volts to 97% |
300 ms |
External voltage adjustment |
+/- 10% with 5 k ohm 1 watt trimmer (see note 4 ) |
Under frequency protection |
|
Set point |
95% Hz (see note 5 ) |
Slope |
100-300% down to 30 Hz |
Max Dwell |
20% volts/s recovery |
Unit power dissipation |
18 watts maximum |
Analogue input |
|
Maximum input |
+/- 5V dc (see note 6) |
sensitivity |
1v for 5% generator volts (adjustment ) |
Input resistance |
1k ohm |
Quadrature input |
|
10 ohms burden |
|
Max sensitivity |
0.22 A for 5% droop OPF |
Max input |
0.33 A |
Current voltage detection input |
|
Set point |
300V .time delay:1 sec(fixed ) |
CB trip coil volts |
10 – 30 V dc |
CB trip coil resistance |
20-60 ohms |
Over excitation protection |
|
Set point |
75 V dc |
Time delay |
8-15 seconds( fixed ) |
environmental |
|
vibration |
20 – 100 Hz 50mm/sec |
|
100Hz – 2k Hz 3.3g |
Operating temperature |
-40 to +70 degree |
Relative humdity 0-70 degree |
95% (see note 7 ) |
Storage temperature |
-55 to + 80 degree |
|
|
Notes: |
|
1.Derate linearly from 3.7A at 50 degree to 2.7A at 70 degree. |
|
2.The stated voltage regulation may not be maintained in the presure of certain transmitted radio signals, Any change in regulation will fail within the limits in criteria B of BS.EN.61000-6-2:2001 |
|
3. After 10 minutes |
|
4. applies to mod status D onwards. Generator de-rate may apply. Check with factory |
|
5.any device connected to the analogue input must be fully floating (galvanically isolated from ground ),with an insulation strength of 500V ac |
|
6. Non condensing |
Shield Science&Technology Co., Ltd. | |
---|---|
Country/Region: | Guang Dong - China |
Business Nature: | Manufacturer |
Phone: | 13243835423 |
Contact: | Kico Deng (sales manager) |
Last Online: | 09 Oct, 2014 |