Pure Sine Wave Inverter
STI series is a sine wave power frequency inverter which can convert 12V or 24V DC to 220V AC 50Hz based on full digital and intelligent design. It features high reliability, high efficiency, concise outline, small volume, full protection functions, easy installation and operation. The inverter can be applied in many fields especially for solar photovoltaic power system.
Features
◆ Complete isolation-type inverter technology, noiseless sine AC voltage of output
◆ Adoption of advanced SPWM technology, pure sine wave output
◆ Dynamic current loop control technology to ensure inverter reliable operation
◆ Wide DC input voltage range
◆ Excellent EMC design
◆ Low output harmonic distortion（THD≤3%）
◆ LED indicators for input voltage range, load power range, normal output & failure state
◆ Load short-circuit, overload, under/over input voltage and over-temperature protections and alarms, inverter’s inner fault protections
◆ Fitted for many kinds of AC loads such as household appliances, electric tools and industrial devices
◆ Wide working temperature range (industrial level)
◆ Adoption of advanced SPWM technology, pure sine wave output
◆ Dynamic current loop control technology to ensure inverter reliable operation
◆ Wide DC input voltage range
◆ Excellent EMC design
◆ Low output harmonic distortion（THD≤3%）
◆ LED indicators for input voltage range, load power range, normal output & failure state
◆ Load short-circuit, overload, under/over input voltage and over-temperature protections and alarms, inverter’s inner fault protections
◆ Fitted for many kinds of AC loads such as household appliances, electric tools and industrial devices
◆ Wide working temperature range (industrial level)
Electronic Protections:
| ◆Output Short Circuit | ◆ Input low voltage | ◆ Input over voltage |
| ◆ Inverter abnormal protection | ◆Overload | ◆Overheating protection |
| ◆PV over current |
Model Overview：
Display interface：
Output socket (option) :
Pure Sine Wave Inverter
Model
|
STI200
-12-220
|
STI200
-24-220
|
STI300
-12-220
|
STI300
-24-220
|
STI500
-12-220
|
STI500
-24-220
|
STI700
-24-220
|
STI1000
-24-220
|
STI1000
-48-220
|
Nominal Battery Voltage
|
12V
|
24V
|
12V
|
24V
|
12V
|
24V
|
24V
|
24V
|
48V
|
Input voltage range
|
10.5~
16VDC
|
21~
32VDC
|
10.5~
16VDC
|
21~
32VDC
|
10.5~
16VDC
|
21~
32VDC
|
21~
32VDC
|
21~
32VDC
|
42~
64V
|
Consumption NO Load(ON)
|
≤4W
|
≤5W
|
≤5W
|
≤6W
|
≤5W
|
≤6W
|
≤8.5W
|
≤10W
|
≤12W
|
Output Voltage
|
Pure Sine Wave 220Vac±3%
| ||||||||
Continuous Power
|
200VA
|
300VA
|
500VA
|
700VA
|
1000VA
| ||||
Power 10 sec
|
300VA 10s
|
450VA
|
750VA
|
1050VA
|
1500VA
| ||||
Power 1.5 sec
|
400VA 1.5s
|
600VA
|
1000VA
|
1400VA
|
2000VA
| ||||
Surge Power
|
640VA
|
960VA
|
1600VA
|
2240VA
|
3200VA
| ||||
Output Mode
|
Single Phase
| ||||||||
Frequency
|
50±0.2% Hz
| ||||||||
Distortion THD ( resistive load)
|
THD≤3%
| ||||||||
Efficiency at Rated Power
|
≥81%
|
≥85%
|
≥81%
|
≥87%
|
≥81%
|
≥87%
|
≥87%
|
≥87%
|
≥89%
|
Max. Efficiency
|
≥88%
|
≥89%
|
≥90%
|
≥91%
|
≥91%
|
≥93%
|
≥93%
|
≥94%
|
≥94%
|
Dimensions
|
315*166*101mm
|
325*187*112mm
|
335×232×
123.3mm
|
373×232×
123.3mm
| |||||
Net Weight
|
4.5kg
|
5.3kg
|
7.3kg
|
9.4kg
|
11.8kg
| ||||
Working Temperature
|
-20℃~ +50℃
| ||||||||
Altitude
|
< 5000m(Derating to operate according to IEC62040 at a height exceeding 1000 m)
| ||||||||
Humidity
|
< 95%(N.C.)
| ||||||||
