EA-890 [20-30KVA] 3:3
คุณสมบัติ
- ประมวลผลด้วยสัญญาณ DSP [Digital signal processors]
- อินเวอร์เตอร์ IGBT
- มีโหมด ECO เพื่อการประหยัดพลังงาน
- หน้าจอ LCD ขนาด 5.7 นิ้ว เป็นระบบแบบสัมผัส
- MTBF สูง (> 200,000 ชั่วโมง)
- MTTR ต่ำ (<0.5 ชั่วโมง)
- มีปุ่มปิดไฟฉุกเฉิน (EPO)
- สามารถเชื่อมต่อ RS232, RS485
- ได้รับมาตรฐานมอก.1291 เล่ม 1-2553, มอก.1291 เล่ม 2-2553, มอก.1291 เล่ม 3-2555
- ได้รับมาตรฐานสากล ISO9001-2015, ISO14001,CE
Features
Technical Specifications
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| MODEL | EA8920 | EA8930 |
| Capacity | 20KVA 18KW | 30KVA 27KW |
| INPUT | ||
| Rated voltage | 380/400/415Vac | |
| Voltage range | ± 25% | |
| Rated frequency | 50 / 60 Hz | |
| Frequency range | 50 / 60 Hz ± 5 Hz | |
| Power factor | ≥ 0.95 [with fillter] | |
| Bypass voltage range | ± 20% [settable] | |
| Delayed start of rectifier | 1-3 s [settable via display panel] | |
| ECO voltage range | ± 10% [settable] | |
| OUTPUT | ||
| Voltage | 380 / 400 / 415 Vac | |
| Voltage regulation | ± 1% | |
| Frequency | Synchronized with utility in mains mode; 50 / 60Hz ± 0.1% in battery mode | |
| Waveform | Sinusoidal | |
| Crest factor | 3:1 | |
| Total harmonic distortion (THDV) | ≤ 2% (linear load); ≤ 5% (non-linear load) | |
| Transfer time | Ac mode to battery mode: 0 ms | |
| Inverter model to bypass mode: 0 ms | ||
| ECO mode to Inverter model: max. 5-10 ms | ||
| Overload | 105%: long time running; 105% ~ 110%: for 1 h | |
| 110% ~ 125%: for 10 mins ; 125% ~ 150%: for 1 min | ||
| 150% ~ 200%: for 200 ms ; > 200%: for 100 ms | ||
| Bypass overload capacity | ≤ 150%: long time running | |
| 150% < load < 200%: shut down in 30 s | ||
| > 200%: shut down in 1 s | ||
| Slight adjustment of inverter output voltage | ± 5V | |
| BATTERIES | ||
| DC voltage | 12V x configured battery number [settable via display panel] | |
| Number of battery | 28-32 pcs [settable] | |
| Charger current | 10A default / settable | |
| Charging | Three-stage charging,auto switch floating / equalizing charge | |
| Battery state display | Display battery backup time,battery remaining capacity | |
| Battery self-test | Settable periodic self-test ; manually configurable test time and voltage | |
| SYSTEM | ||
| Efficiency | In line mode : Max.93% ; ECO mode ≥ 98% | |
| Max.Parallel numbers | 6 | |
| Protections | Short-circuit-overload-overvoltage-undervoltage-low battery-overtemperature-fan fault | |
| Communications | RS232 / RS485 / dry contacts (standard)/SNMP (optional) | |
| IP rating | IP 20 | |
| EMI | EN 62040-2 | |
| EMS | IEC61000-4-2 (ESD) | |
| IEC61000-4-3 (RS) | ||
| IEC61000-4-4 (EFT) | ||
| IEC61000-4-5 (surge) | ||
| OTHERS | ||
| Humidity | 0~95% RH @ 0 ~ 40℃ (non-condensing) | |
| Noise Level | 55dB | |
| Dimensions (mm) W×D×H | 400×800×1100 | |
| Packaged dimensions (mm) W×D×H | 490×920×1250 | |
| Net / Gross weight (kg) | 175 / 217 | 210 / 252 |
