逆变器（Inverter）
三华新能源提供修正波、正弦波逆变器，参数如下表所示
SANHUA New Energy Co., ltd. can provide inverters with two different output waves, the modified sine wave and the sine wave, with different output power ratings.
（修正波逆变器）Modified Sine Wave STM Series Parameters
Series STM80, STM300, STM500, STM1000, STM1500, STM2000, STM3000
Power rating 80W, 300W, 500W, 1000W, 1500W, 2000W, 3000W
Input voltage 12V 24V 48V 12V 24V 48V
Output voltage 110AC 220VAC
Frequency 600.5 Hz 500.5 Hz
Efficiency 93%
Input voltage scale 10-15VDC 21-30VDC 42-60VDC 10-15VDC 21-30VDC 42-60VDC
Output voltage scale 110VAC5% 220VAC5%
Status indications Normal(Green)/Error(Red)
Output wave Modified Sine Wave
Protection Over-load, Over-voltage, Low-voltage, Over- temperature, Short current
Operation temperature -10℃～ +40℃
Cool Fan
Sizes 175*95*53.5mm
（正弦波逆变器）Sine Wave STM Series Parameters:
Output power 150W, 300W, 200W, 400W
Input voltage 12V 24V 12V 24V
Input voltage scale 10.5-15.0 21.0-30.0 10.5-15.0 21.0-30.0
Output voltage 110VAC±5% 230VAC±5%
Frequency 50/60Hz±3%
Transient efficiency 91% 92% 90% 93%
Maximal efficiency 86% 87% 85% 88%
Full load efficiency 72% 79% 72% 80%
Wave Sine wave ( Distortion rate <4%)
Power factor cosθ-90°~cosθ+90°
Protection Over-load, Over-voltage, Low-voltage, Over- temperature, Short current
Operation temperature -10℃~40℃
Cool Fan
Sizes 237*155*72mm
Weight 3.5Kg
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