KJU Series Transformerless Type
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It is a high-efficiency, high-power factor, uninterruptible power supply with the latest technology, ALL IGBT, and DSP control.
- Transformerless type UPS｜High efficiency, compact size · light weight
- Transformerless IGBT control for both rectifier and inverter
- Transformerless 100% digital control｜stable AC voltage supply
- Transformerless Precise control with DSP
- Transformerless Easy to change storage battery cells
- Transformerless High efficiency, high power factor control
- Transformerless Cyclic load test operation function ｜Load current and load power factor setting
- Transformerless Various remote monitoring functions｜RS-232, RS-485, SNMP (Option) supported
- Transformerless ECO mode operation function ｜ Operation efficiency 97% or higher
- Transformerless Single phase 3-50 KVA, 3-phase 10-1,000 KVA production
시스템 구성도
SPECIFICATION
| Capacity(KVA) | 10 | 15 | 20 | 30 | 40 | 50 | 60 | 75 | 100 | 120 | 150 | 200 | 250 | 300 | 400 | 500 | 600 | 800 | 1000 | |
| Electrical features | ||||||||||||||||||||
| AC | ||||||||||||||||||||
| Input | Phase | 3-phase 4-wire + GND | ||||||||||||||||||
| Rated voltage (Available range) | 380 / 220 V (± 15 % / rated, at -50 % / 50 % load) | |||||||||||||||||||
| Rated frequency (Available range) | 50, 60 Hz (± 5 %) | |||||||||||||||||||
| Waveform distortion (THD-A) | 5% or less | |||||||||||||||||||
| Power factor | 0.99 or more | |||||||||||||||||||
| Output | Phase | 3-phase 4-wire | ||||||||||||||||||
| Rated voltage (Voltage stability) | 380 / 220 V (± 1.5 %) | |||||||||||||||||||
| Rated frequency (Available range) | 50, 60 Hz (within ±0.3 %, when the inverter is Free Running) | |||||||||||||||||||
| Waveform distortion (THD-V) | 3% linear (5% non-linear) | |||||||||||||||||||
| Overload capacity | 125% 10 minutes, 150% 10seconds | |||||||||||||||||||
| Power factor | 0.8 | |||||||||||||||||||
| DC | ||||||||||||||||||||
| Storage battery voltage | 12 V 30 ~ 40 Cells, 2 V 180 ~ 240 Cells (360 VDC ~ 480 VDC) | |||||||||||||||||||
| Performance | ||||||||||||||||||||
| Efficiency (%) | -10 KVA or less 88% or more / -Over 10 KVA 30 KVA or less 92% or more -Over 30 KVA 75 KVA or less 92.5% or more / -Over 75 KVA 150 KVA or less 93% or more -Over 150 KVA 300 KVA or less 94% or more / -Over 300 KVA 94% or more | |||||||||||||||||||
| Switchover time | 4ms or less | |||||||||||||||||||
| User environment data | ||||||||||||||||||||
| Operating temperature (Humidity) | 0 ℃ ~ 40 ℃ (95 %) | |||||||||||||||||||
| Storage temperature (Humidity) | -20 ℃ ~ 60 ℃ (95 %) | |||||||||||||||||||
| Noise | 100 KVA or less : 65 dB(A) or less / Over 100 KVA : 75 dB(A) or less | |||||||||||||||||||
| Altitude | Below 1,000 m above sea level, indoor (for indoor use) | |||||||||||||||||||
| Outer case standard / painting | IP20 / EA404K (Hamma Tone, White) | |||||||||||||||||||
| Interface | ||||||||||||||||||||
| User interface | 20 x 4 Graphics LCD Module (Basic), 7-inch Color Touch Screen Module (Option) | |||||||||||||||||||
| External Communication (Option) | RS232 / RS485 (MODBUS RTU, Megatec), Ethernet (MODBUS TCP, SNMP), Dry contact | |||||||||||||||||||
| Appearance and Weight | ||||||||||||||||||||
| Size | W (mm) | 500 | 500 | 500 | 500 | 570 | 700 | 700 | 800 | 1,000 | 1,100 | 1,200 | 1,200 | 2,100 | 2,100 | 2,500 | 3,000 | 3,000 | 3,100 | 4,500 |
| D (mm) | 630 | 630 | 630 | 630 | 630 | 800 | 800 | 900 | 900 | 900 | 900 | 1,000 | 1,000 | 1,000 | 1,050 | 1,050 | 1,050 | 1,050 | 1,050 | |
| H (mm) | 1,050 | 1,050 | 1,050 | 1,150 | 1,300 | 1,500 | 1,500 | 1,700 | 1,700 | 1,700 | 1,900 | 2,000 | 2,000 | 2,000 | 2,100 | 2,100 | 2,100 | 2,100 | 2,100 | |
| Weight | kg | 100 | 100 | 130 | 180 | 220 | 280 | 280 | 350 | 500 | 700 | 900 | 1,000 | 1,900 | 2,000 | 2,300 | 2,500 | 2,600 | 2,800 | 3,500 |
| Capacity(KVA) | 3 | 5 | 7.5 | 10 | 15 | 20 | 30 | 7.5 | 10 | 15 | 20 | 30 | 40 | 50 | |
| Electrical features | |||||||||||||||
| AC | |||||||||||||||
| Input | Phase | 1-phase 2-wire + GND | 3-phase 4-wire + GND | ||||||||||||
| Rated voltage (Available range) |
220V (±10%) | 220V (±10%) | |||||||||||||
| Rated frequency (Available range) |
50, 60 Hz (± 5 %) | 50, 60 Hz (± 5 %) | |||||||||||||
| Waveform distortion (THD-A) |
5% or less | 8% or less | |||||||||||||
| Power factor | 0.99 or more | ||||||||||||||
| Output | Phase | 1-phase 2-wire | |||||||||||||
| Rated voltage (Voltage stability) |
220 V (± 1.5 %) | ||||||||||||||
| Rated frequency (Available range) |
50, 60 Hz (within ±0.3 %, when the inverter is Free Running) | ||||||||||||||
| Waveform distortion (THD-V) | 3% linear (5% non-linear) | ||||||||||||||
| Overload capacity | 120% 10 minutes, 150% 10seconds | ||||||||||||||
| Power factor | 0.8 | ||||||||||||||
| DC | |||||||||||||||
| Storage battery voltage | 12 V 16 ~ 20 Cells, 2 V 96 ~ 120 Cells (192 VDC ~ 240 VDC) | ||||||||||||||
| Performance | |||||||||||||||
| Efficiency (%) | Over 1 KVA 5 KVA or less 85% or more / -Over 5 KVA 20 KVA or less 88% or more -Over 20 KVA 30 KVA or less 92% or more / -Over 30 KVA 50 KVA or less 92.5% or more |
||||||||||||||
| Switchover time | 4ms or less | ||||||||||||||
| User environment data | |||||||||||||||
| Operating temperature (Humidity) |
0 ℃ ~ 40 ℃ (95 %) | ||||||||||||||
| Storage temperature (Humidity) |
-20 ℃ ~ 60 ℃ (95 %) | ||||||||||||||
| Noise | 100 KVA or less : 65 dB(A) or less | ||||||||||||||
| Altitude | Below 1,000 m above sea level, indoor (for indoor use) | ||||||||||||||
| Outer case standard / painting | IP20 / EA404K (Hamma Tone, White) | ||||||||||||||
| Interface | |||||||||||||||
| User interface | 20 x 4 Graphics LCD Module (Basic), 7-inch Color Touch Screen Module (Option) | ||||||||||||||
| External Communication (Option) | RS232 / RS485 (MODBUS RTU, Megatec), Ethernet (MODBUS TCP, SNMP) / Dry contact | ||||||||||||||
| Appearance and Weight | |||||||||||||||
| Size | W (mm) | 250 | 250 | 400 | 630 | 400 | 400 | 630 | 750 | 850 | |||||
| D (mm) | 630 | 660 | 720 | 800 | 780 | 700 | 800 | 800 | 800 | ||||||
| H (mm) | 500 | 600 | 700 | 1,200 | 900 | 1,180 | 1,400 | 1,700 | 1,700 | ||||||
| Weight | kg | 35 | 45 | 75 | 80 | 150 | 150 | 250 | 650 | 850 | 950 | ||||
