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E-mail
490723158@qq.com
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Phone
13311073781
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Address
Building B, Shahe Youth Entrepreneurship Building, Changping District, Beijing
Product Categories
Beijing Beichuang Huayu Electromechanical Equipment Co., Ltd
Weidi UL33 series 20-100kva
NegotiableUpdate on 05/07
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Overview
The Liebert UL33 series UPS system is a power supply device that is connected between the input power source and the load, providing important loads with uninterrupted, regulated, and frequency stable power supply. After the mains power fails, the UPS can continue to provide power to the load for a period of time
Product Details
The Liebert UL33 series UPS system is a power supply device that is connected between the input power source and the load, providing important loads with uninterrupted, regulated, and frequency stable power supply. After the mains power fails, the UPS can continue to provide power to the load for a period of time. The Liebert UL33 series UPS system is a power supply device that is connected between the input power source and the load, providing important loads with uninterrupted, regulated, and frequency stable power supply. After the mains power fails, the UPS can continue to provide power to the load for a period of time
.
The Liebert UL33 series UPS system is a power supply device that is connected between the input power source and the load, providing important loads with uninterrupted, regulated, and frequency stable power supply. After the mains power fails, the UPS can continue to provide power to the load for a period of time. The UL33 series UPS adopts a dual conversion structure and advanced fully digital control technology, with an output isolation transformer, which can provide stable, clean, and uninterrupted power supply, and has complete network management functions.
advantage
Advanced dual DSP fully digital control technology enhances product reliability and stability;
IGBT rectification technology with full digital control, input power factor 0.99; THDi can be as low as 3%, green power avoids grid pollution, and effectively utilizes electricity;
Unique UPS lightning protection technology in the industry, with built-in D-level lightning protection;
IGBT inverter with full digital control and output transformer isolation, stable output voltage, low zero ground voltage, and flexible load configuration;
Intelligent battery management, stable output voltage, low zero ground voltage, and flexible load configuration;
The large screen displays both Chinese and English on an LCD screen, with a simple and convenient interface for daily management and maintenance;
feature
Online dual transformation design, isolating various types of grid pollution and grid faults that may exist in the mains and oil engines from affecting the load;
Adopting advanced DSP and fully digital control technology, the system has higher stability and can achieve online maintenance and expansion;
Advanced IGBT green rectification technology, with a power factor of approximately 1 and harmonic current<3%, improves energy utilization efficiency;
Advanced decentralized autonomous parallel technology, without the need for centralized bypass cabinets, can achieve 8 parallel connections and online expansion;
Digital current sharing technology, minimal circulating current, and extremely high parallel reliability;
Ultra wide input voltage and frequency range, suitable for harsh power grid environments;
The output adopts a Δ/Z0 isolation transformer, with no DC component in the output voltage, which can alleviate the impact of unbalanced loads on the output and effectively suppress the third harmonic of the output voltage caused by computer nonlinear loads;
Intelligent battery management, automatic maintenance of batteries, and extended service life;
6-inch ultra large LCD display with Chinese and English interface, convenient for domestic and foreign users to use;
Layered independent sealed air duct and redundant fan design, circuit board with three anti paint protection, dust-proof filter options, with efficient heat dissipation and effective protection in harsh environments.
| capacity | 20kVA | 30kVA | 40kVA | 60kVA | ||
| model | UL33-0200L | UL33-0300L | UL33-0400L | UL33-0600L | ||
| main road input | input voltage | 380V (line voltage) | ||||
| input method | three-phase four-wire | |||||
| power factor | >0.99 | |||||
| harmonic current | <5% | |||||
| voltage range | +15% ~ -45% | |||||
| frequency range | 50Hz ±10% | |||||
| bypass input | input voltage | 380V (line voltage) | ||||
| Input voltage range | ±10% | |||||
| input method | three-phase four-wire | |||||
| frequency range | 50Hz±10% | |||||
| Output | Steady state voltage accuracy (balanced load) | ±1% | ||||
| Dynamic voltage transient | ± 5% (0-100% load variation) | |||||
| Dynamic transient recovery time | <60ms | |||||
| Voltage distortion (linear load) | THD<2% (phase voltage) | |||||
| Voltage distortion (non-linear load) | THD<5% (phase voltage) | |||||
| power factor | 0.8 | |||||
| frequency range | 50Hz±2Hz | |||||
| Frequency accuracy (battery inverter) | ±0.1% | |||||
| 三相相位差 | 120 ± 1 ° (balanced or unbalanced load) | |||||
| 100% unbalanced load voltage imbalance | ±2% | |||||
| Frequency tracking rate | <1Hz/s | |||||
| Inverter overload capacity | When 105%~125%, switch to bypass output after 10 ± 0.1min; When 125%~150%, switch to bypass output after 1 minute; When the load exceeds 150%, immediately switch to bypass output after 200ms | |||||
| Bypass overload capacity | 135% rated current can withstand long-term overload 1000% rated current 20ms (static switch selection standard) | |||||
| Peak output current ratio | 3：1 | |||||
| Switching time (normal mode) | 0 | |||||
| System | System efficiency (linear load) | 90% | ||||
| Battery inverter efficiency (linear load) | 94% | |||||
| display | LCD+LED | |||||
| EMC/EMI | conduction | EN50091-2 | ||||
| radiation | EN50091-2 CLASS-A | |||||
| harmonic current | IEC1000-3-4 | |||||
| Anti-interference ability | EN 61000-4-2.3.4..6.8.9.11 Level III，EN 61000-4-5 Level Ⅳ | |||||
| MTBF (Single Machine System) | 500000 hours | |||||
| Safety Regulation Requirements | CCEE，CE | |||||
| Noise (2m) | <60dB | <65dB | ||||
| No load circulation (1+1) | <3A | |||||
| Current imbalance (1+1) | <3% | |||||
| insulation resistance | >2M(500VDC) | |||||
| insulation strength | 2820VDC (input/output to ground), leakage current less than 3.5mA, no arcing for 1 minute | |||||
| surge protection | Meet the requirements of Class IV installation position specified in IEC60664-1, that is, the ability to withstand 1.2/50us+8/20us mixed waves is not less than 6KV/3KA | |||||
| Protection level | IP20 | |||||
| number of battery cells | 30 12V batteries | |||||
| install | wiring method | Up/down input and output lines are optional | ||||
| capacity | 20kVA | 30kVA | 40kVA | 60kVA | ||
| model | UL33-0200L | UL33-0300L | UL33-0400L | UL33-0600L | ||
| main road input | input voltage | 380V (line voltage) | ||||
| input method | three-phase four-wire | |||||
| power factor | >0.99 | |||||
| harmonic current | <5% | |||||
| voltage range | +15% ~ -45% | |||||
| frequency range | 50Hz ±10% | |||||
| bypass input | input voltage | 380V (line voltage) | ||||
| Input voltage range | ±10% | |||||
| input method | three-phase four-wire | |||||
| frequency range | 50Hz±10% | |||||
| Output | Steady state voltage accuracy (balanced load) | ±1% | ||||
| Dynamic voltage transient | ± 5% (0-100% load variation) | |||||
| Dynamic transient recovery time | <60ms | |||||
| Voltage distortion (linear load) | THD<2% (phase voltage) | |||||
| Voltage distortion (non-linear load) | THD<5% (phase voltage) | |||||
| power factor | 0.8 | |||||
| frequency range | 50Hz±2Hz | |||||
| Frequency accuracy (battery inverter) | ±0.1% | |||||
| 三相相位差 | 120 ± 1 ° (balanced or unbalanced load) | |||||
| 100% unbalanced load voltage imbalance | ±2% | |||||
| Frequency tracking rate | <1Hz/s | |||||
| Inverter overload capacity | When 105%~125%, switch to bypass output after 10 ± 0.1min; When 125%~150%, switch to bypass output after 1 minute; When the load exceeds 150%, immediately switch to bypass output after 200ms | |||||
| Bypass overload capacity | 135% rated current can withstand long-term overload 1000% rated current 20ms (static switch selection standard) | |||||
| Peak output current ratio | 3：1 | |||||
| Switching time (normal mode) | 0 | |||||
| System | System efficiency (linear load) | 90% | ||||
| Battery inverter efficiency (linear load) | 94% | |||||
| display | LCD+LED | |||||
| EMC/EMI | conduction | EN50091-2 | ||||
| radiation | EN50091-2 CLASS-A | |||||
| harmonic current | IEC1000-3-4 | |||||
| Anti-interference ability | EN 61000-4-2.3.4..6.8.9.11 Level III，EN 61000-4-5 Level Ⅳ | |||||
| MTBF (Single Machine System) | 500000 hours | |||||
| Safety Regulation Requirements | CCEE，CE | |||||
| Noise (2m) | <60dB | <65dB | ||||
| No load circulation (1+1) | <3A | |||||
| Current imbalance (1+1) | <3% | |||||
| insulation resistance | >2M(500VDC) | |||||
| insulation strength | 2820VDC (input/output to ground), leakage current less than 3.5mA, no arcing for 1 minute | |||||
| surge protection | Meet the requirements of Class IV installation position specified in IEC60664-1, that is, the ability to withstand 1.2/50us+8/20us mixed waves is not less than 6KV/3KA | |||||
| Protection level | IP20 | |||||
| number of battery cells | 30 12V batteries | |||||
| install | wiring method | Up/down input and output lines are optional | ||||
