1.Technical Parameters:

AS440 is a half wave phase controlled thyristor type AVR and forms part of the excitation system for a brush-less generator. The design employs Surface Mount Technology (SMT) for high integration of features in a small footprint AVR. 

 

Sensing Input	Voltage	Jumper selectable 100-130 Vac 1 phase   190-264 Vac 1 phase
	Frequency	50-60 Hz nominal
Power input	Voltage	100-264 V ac 1 phase
	Frequency	50-60 Hz nominal
Output	Voltage	82 V d.c. @ 200 V a.c.
	Current	Continuous 4A transient 7.5A for 10 secs
	Resistance	15 ohms min (10 ohms min when input  Volts is less than 175 ac)
Regulation	± 1.0%
Thermal drift	0.03% per deg. C change in AVR ambient
Typical system  response	AVR response	20 ms
	Filed current to 90%	80 ms
	Machine Volts to 97%	300 ms
External voltage adjustment	±-10% with 1kohm 1 watt trimmer Increasing resistance lowers voltage.
Uuder frequency protection	Set point	94 -98% Hz
Unitpower dissipation	12 watts maximum
Build up voltage	4 Volts @ AVR terminals
Analogue voltage	Maximum input	±5 Vdc
	Sensitivity	1V for 5% Generator Volts (adjustable)
	Input resistance	1k ohm
Quadrature droop input	10 ohms burden
	Max. sensitivity: 0.07 A for 5% droop 0PF
	Max. input: 0.33 A
Over excitation protection	Set point	65 V dc
	Time delay	10-15 seconds (fixed)
Environmental	Vibration	20-100 Hz
		100Hz – 2kHz
50mm/sec	Operating temperature	40degree under zero to 70 degree
3.3g	Relative humidity 0-70℃	95%
	Storage temperature	Storage temperature -55 to +80C

 

We also provide other models of AVRs as follows:

 

 

NO	Name	Model No
1	AVR	SX460
2	AVR	SX460A
3	AVR	SX440
4	AVR	SX440A
5	AVR	AS440
6	AVR	AS480
7	AVR	MX341
8	AVR	MX321
9	AVR	R220
10	AVR	R230
11	AVR	R250
12	AVR	R438
13	AVR	R448
14	AVR	R449
15	AVR	R450
16	AVR	SE350
17	AVR	GAVR-8A
18	AVR	GAVR-12A
19	AVR	GAVR-15A
20	AVR	GAVR-20A
23	Recifiter	33025777
24	Recifiter	SSAYEC432
25	AVR	6GA2-490-0A
26	AVR	6GA2-492-1A
27	AVR	6GA2-491-1A
28	AVR	EA63-4
29	AVR	EA63-7
30	AVR	SR7
31	AVR	M16FA655A
32	AVR	M40FA640A
33	AVR	DVR2000E
34	AVR	M16FA650A
35	AVR	UVR6
36	AVR	VR6
37	AVR	STL-3

  

  

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8.Changing or Refunding → Accept Returns

 

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2.All major Credit cards are accepted through secure payment processor ESCROW. 

 

Shipment Term

 

 

 

Guarantee

 

1. Guarantee:1 year after selled.

 

2. During guarantee,the items share free repairs or replacement.

 

3. Customer is responsible for the freight come-and-go,and the custom tax.

 

4. You may consider to send the defective item with a economical way,and we  send back the repaired items with your new order together.

 

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6. Pls provide the defective appearance and related invoice number.

 

7.We do not repair or replace item with an expired warranty.

 

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