Description
一、Product Overview：
The 3H15kVA Online UPS System is a high-performance three-phase uninterruptible power supply designed for applications requiring continuous, stable, and clean power.
With true online double conversion technology, MCU + DSP digital control, flexible battery configuration, and intelligent monitoring capabilities, this UPS ensures reliable power protection for data centers, industrial equipment, communicatio
二、Key Features：
1. True Online Double Conversion Technology：
The UPS continuously converts AC input power into stable DC power and then converts it back into clean AC output.
This design effectively protects connected equipment from:
Voltage fluctuations
Frequency variations
Power interruptions
Electrical disturbances
2. Generator Compatible Operation：
The 3H15kVA UPS supports generator input connection.
For stable operation, the recommended generator capacity should be at least 2 times the UPS
rated capacity：
·Remote areas
·Industrial sites
·Backup power systems
3. Flexible System Configuration
The system supports flexible configuration according to different application requirements:
·Optional output isolation transforme
·Adjustable battery quantity: 16-20 battery units
·Adjustable charging current: 1-4A
·PF0.8 / PF0.9 power factor options
·Automatic restart after mains recovery
4. Parallel Expansion Capability
Selected models support parallel operation with up to 3 UPS units, allowing higher capacity expansion and improved system redundancy.
5. Comprehensive Protection System
The UPS integrates multiple protection functions to ensure safe and reliable operation:
Protection includes:
·Output overload protection
·Output short circuit protection
·Inverter over-temperature protection
·Battery undervoltage warning
·Battery overcharge protection
6. Intelligent Interface and Monitoring Management
The LCD display provides real-time information including:
UPS operating status
Input/output parameters
Battery information
Alarm records
Communication interfaces:
RS232
RS485
SNMP network adapter
The UPS monitoring software enables remote management through computer systems.
7. High Environmental Adaptability
The internal circuit boards are installed in a fully enclosed structure and treated with conformal coating technology.
This improves resistance against harsh environments such as:
Dust
Moisture
Industrial pollution
Suitable for:
Tunnels
Industrial facilities
Outdoor infrastructure
三、Technical Specifications：
| Item | 3H10kVA | 3H15kVA | 3H20kVA | 3H30kVA | |
|---|---|---|---|---|---|
| Input | |||||
| Phase | 3‑phase with neutral grounded | 3‑phase with neutral grounded | 3‑phase with neutral grounded | 3‑phase grounded | |
| Voltage Range | Lowest transfer voltage @3% | 50% load:110VAC ±3%;100% load:176VAC ±3% | 50% load:110VAC ±3%;100% load:176VAC ±3% | 50% load:110VAC ±3%;100% load:176VAC ±3% | 50% load:110VAC ±3%;100% load:176VAC ±3% |
| Lowest restore voltage | Min.transfer voltage +10V | Min.transfer voltage +10V | Min.transfer voltage +10V | Min.transfer voltage +10V | |
| Highest transfer voltage @‑3% | 300VAC ±3% | 300VAC ±3% | 300VAC ±3% | 300VAC ±3% | |
| Highest restore voltage | Max.transfer voltage‑10V | Max.transfer voltage‑10V | Max.transfer voltage‑10V | Max.transfer voltage‑10V | |
| Frequency Range | 46‑54Hz@50Hz System; 56‑64Hz@60Hz System | 46‑54Hz@50Hz System; 56‑64Hz@60Hz System | 46‑54Hz@50Hz System; 56‑64Hz@60Hz System | 46‑54Hz@50Hz System; 56‑64Hz@60Hz System | |
| Power Factor | N/A | N/A | N/A | ≥0.99 at 100% Load | |
| Output | |||||
| Output Voltage | 208/220/230/240VAC | 208/220/230/240VAC | 208/220/230/240VAC | 208/220/230/240VAC | |
| AC Voltage Range | ±1% | ±1% | ±1% | ±1% | |
| Frequency Range(Sync Range) | 46‑54Hz@50Hz; 56‑64Hz@60Hz System | 46‑54Hz@50Hz; 56‑64Hz@60Hz System | 46‑54Hz@50Hz; 56‑64Hz@60Hz System | 46‑54Hz@50Hz; 56‑64Hz@60Hz System | |
| Frequency Range(Battery Mode) | 50Hz±0.1Hz or 60Hz±0.1Hz | 50Hz±0.1Hz or 60Hz±0.1Hz | 50Hz±0.1Hz or 60Hz±0.1Hz | 50Hz±0.1Hz or 60Hz±0.1Hz | |
| Current Crest Factor | 3:1(max) | 3:1(max) | 3:1(max) | 3:1(max) | |
| THD‑Total Harmonic Distortion | ≤3% THD(Linear Load); ≤5% THD(Non‑linear Load) | ≤3% THD(Linear Load); ≤5% THD(Non‑linear Load) | ≤3% THD(Linear Load); ≤5% THD(Non‑linear Load) | ≤2% THD(Linear Load); ≤5% THD(Non‑linear Load) | |
| Transfer Time | Mains to Battery | 0ms | 0ms | 0ms | 0ms |
| Inverter to Bypass | 0ms | 0ms | 0ms | 0ms | |
| Overload | 100%‑110%:30min 110%‑130%:5min >130%:1s | 100%‑110%:15min 110%‑130%:30s >130%:1s | 100%‑110%:5min 110%‑130%:1s >130%:Immediate Trip | 100%‑110%:10min 110%‑130%:1min >130%:1s | |
| Efficiency | |||||
| AC Mode | ＞91% | ＞91% | ＞91% | ＞90% | |
| Battery Mode | ＞91% | ＞91% | ＞91% | ＞88% | |
| Battery | |||||
| Long‑run Model | Model | 12V, subject to application | 12V, subject to application | 12V, subject to application | 12V, subject to application |
| Quantity | 16‑20 pcs | 16‑20 pcs | 16‑20 pcs | 18‑20 pcs | |
| Charging Current | Preset:4A ±10%; Max:1A,2A,4A optional | Preset:4A ±10%; Max:1A,2A,4A optional | Preset:4A ±10%; Max:1A,2A,4A optional | 12A ±10% | |
| Physical Properties | |||||
| Dimension(Depth×Width×Height) mm | 442 × 190 × 318 | 592 × 250 × 576 | 910 × 380 × 910 | ||
| Long‑run Model Net Weight (kg) | 15 | 24.5 | 28.5 | 67.3 | |
| Operating Environment | |||||
| Operating Temperature | 0～50℃(Battery life shortens above 25℃) | 0～50℃(Battery life shortens above 25℃) | 0～50℃(Battery life shortens above 25℃) | 0～40℃(Battery life shortens above 25℃) | |
| Relative Humidity | ＜95% non‑condensing | ＜95% non‑condensing | ＜95% non‑condensing | ＜95% non‑condensing | |
| Max.Operating Altitude | ＜1000m | ＜1000m | ＜1000m | ＜1000m | |
| Noise | ＜60dB@1 Meter | ＜60dB@1 Meter | ＜60dB@1 Meter | ＜65dB@1 Meter | |
| Control & Management | |||||
| Intelligent RS‑232 / USB | Support Windows®2000/2003/XP/Vista/2008, Windows®7/8, Linux, Unix, MAC OS | Support Windows®2000/2003/XP/Vista/2008, Windows®7/8, Linux, Unix, MAC OS | Support Windows®2000/2003/XP/Vista/2008, Windows®7/8, Linux, Unix, MAC OS | Support Windows®2000/2003/XP/Vista/2008, Windows®7/8, Linux, Unix, MAC OS | |
| Optional SNMP | Support power management via SNMP & Network Management | Support power management via SNMP & Network Management | Support power management via SNMP & Network Management | Support power management via SNMP & Network Management |
Footnotes
* In CVCF mode, output power will derate to 60%; When output voltage is set to 208VAC, output power will derate to 80%.
** If UPS is installed at altitude above 1000 m, output power shall be derated by 1% for every additional 100 m.
*** Specifications subject to change without prior notice.
四、Application Applications
The 3H15kVA UPS is suitable for:
Data Centers
Protect servers, network equipment, and IT infrastructure from power interruptions.
Industrial Automation
Provide stable power for manufacturing equipment and control systems.
Telecom Infrastructure
Ensure continuous operation of communication equipment.
Critical Facilities
Suitable for hospitals, security systems, and other important electrical applications.
五、FAQ
Q1: What is a 3H15kVA Online UPS System?
A 3H15kVA Online UPS System is a three-phase uninterruptible power supply that provides continuous power protection through true online double conversion technology.
Q2: Does the 3H15kVA UPS support generator input?
Yes. The UPS supports generator input. The recommended generator capacity should be at least twice the UPS rated capacity.
Q3: How many batteries can be configured?
The battery configuration can be adjusted from 16 to 20 battery units according to customer requirements.
Q4: Does the UPS support parallel operation?
Yes. Selected models support up to three UPS units operating in parallel.
Q5: Where can this UPS be used?
The UPS is widely used in data centers, industrial facilities, telecom systems, and other applications requiring high power reliability.
Q6: What are the advantages of a true online double conversion UPS?
A true online double conversion UPS provides continuous power conditioning by isolating connected equipment from voltage fluctuations, frequency variations, and electrical disturbances.
Q7: What is the recommended application for a 15kVA UPS system?
A 15kVA UPS system is commonly used for small and medium-sized data centers, industrial automation systems, telecom equipment rooms, and other critical power environments.
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