型號Type | NB220-50KS | NB380-50KS | |
直流輸入 DC input | 輸入額定電壓 Input rated voltage | 220 VDC | 380 VDC |
輸入額定電流 Input rated current | 227 A | 132 A | |
輸入直流電壓允許范圍 Input DC voltage range | 180-300 VDC | 300-490VDC | |
交流輸入 AC input | 允許輸入電壓范圍 Allow input voltage range | 220 VAC / 380 VAC / 400 VAC ± 15% VAC | |
輸入額定電流 Input rated current | 139A / 76A / 72.5A | ||
旁路轉(zhuǎn)換時間 Bypass transfer time | ≤4 ms | ||
交流輸出 AC output | 額定容量 Rated capacity | 50KVA | |
輸出額定功率 Output rated power | 40KW | ||
輸出額定電壓及頻率 Output rated voltage and frequency | 220 VAC / 380 VAC / 400 VAC,50Hz / 60Hz | ||
輸出額定電流 Output rated current | 139A / 76A / 72.5A | ||
輸出電壓精度 Output voltage accuracy | 220 VAC / 380 VAC / 400 VAC ± 2% | ||
輸出頻率精度 Output frequency accuracy | 50Hz / 60Hz ±0.05% | ||
波形失真率(線性負載) Waveform distortion (THD). | ≤3% | ||
動態(tài)響應(yīng)時間 Dynamic response time | 2ms | ||
功率因數(shù)Power factor (PF) | 0.8 | ||
過載能力 Overload capacity | 120%,3 分鐘minutes,150%,10 秒second | ||
峰值系數(shù)Crest factor (CF) | 3:1 | ||
逆變效率 Inverter efficiency | 92% | ||
工作環(huán)境 Working Environment | 絕緣強度(輸入和輸出) Dielectric strength | 1500VAC,1分鐘minute | |
噪音(1米) Noise (1m) | ≤50dB | ||
使用環(huán)境溫度 Ambient temperature | -10℃~+50℃ | ||
濕度 Humidity | 0~90%,不結(jié)露 No condensation | ||
使用海拔 Altitude | ≤5000 m | ||
保護功能 Production function | 輸入接反保護、輸入欠壓保護、輸出過載保護、輸出短路保護、過熱保護 Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection | ||
尺寸Size |
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重量Weight |
安徽合肥德明品牌光伏離網(wǎng)儲能逆變器(NB-50KS)