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 UPS power supply_ Redstone Electronic Equipment Co., Ltd

Shandong Leisidun Electronic Equipment Co., Ltd Professional quality, sophisticated technology, complete range, after-sales guarantee
National Service Hotline: 400-832-3938

CONTACT contact information

UPS power supply_ Redstone Electronic Equipment Co., Ltd

Shandong Leisidun Electronic Equipment Co., Ltd

Address: No.168, jiluo Road, Tianqiao District, Jinan City, Shandong Province

Telephone: 400-832-3938

Gu Hua: 0531-58105983

Mail box: 389837456@qq.com

Mobile phone number: 13954131233 Wang Xinhua

Mobile phone number: 15810819788 Ji Xuejiao


National service hotline 400-832-3938
Emerson UPS power supply Current location: home page >> Product Center >> Emerson UPS power supply
Emerson Liebert Itrust ul33 series

The ul33 three in three out high-power UPS introduced by Emerson Network Energy adopts dual DSP full digital control and high-frequency PWM rectifier and inverter technology with full digital control for input and output. It is the second product in the world to apply this leading technology.

Ul33 series UPS system is suitable for uninterruptible electric field. It is mainly used as the UPS system of various computer rooms. It is widely used in financial securities, post and telecommunications, government agencies, energy and chemical industry, transportation and other industries.


National Service Hotline: 400-832-3938

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1、 Application range of Emerson Liebert Itrust ul33 series

The ul33 three in three out high-power UPS introduced by Emerson Network Energy adopts dual DSP full digital control and high-frequency PWM rectifier and inverter technology with full digital control for input and output. It is the second product in the world to apply this leading technology.

Ul33 series UPS power supply The system is suitable for uninterruptible electric field. It is mainly used as the UPS system of various computer rooms. It is widely used in financial securities, post and telecommunications, government agencies, energy and chemical industry, transportation and other industries.



2、 Features of Emerson Liebert Itrust ul33 series

Isolation double transformation on-line working mode: completely eliminate the influence of power grid instability factors such as peak, surge, voltage transient, noise on normal load operation.

Professional design to improve system reliability

The fourth generation insulated gate bipolar transistor (IGBT) power devices and multiple protection technology are adopted

Advanced Dual DSP full digital technology, the whole machine does not need any adjustable resistance, strong anti-interference ability, no aging drift problem

Advanced distributed direct parallel technology ensures online capacity expansion and system redundancy

The instantaneous value digital current sharing technology can significantly reduce the circulating current (< 1a) and the current unbalance degree is less than 1%


1. Excellent EMC design

High power devices are used to enhance the adaptability of power grid

Unique UPS lightning protection technology, built-in d-level lightning protection


2. Excellent input characteristics

Wide input voltage range (- 15% ~ 45%)

The wide frequency input range (50 Hz 10%) ensures the ups stable operation when the generator supplies power

Advanced six transistor IGBT high frequency rectification technology, without additional external equipment, the input power factor can reach more than 0.99

Instantaneous harmonic current reduction (ithd waveform reduction by 3%)

Low DC bus ripple, prolong battery life


3. Excellent output characteristics

The inverter adopts high precision vector control technology, which has high output voltage stabilization precision, fast dynamic response and low distortion rate

The inverter has the ability to carry unbalanced load

The inverter has strong overload capacity and shock resistance

The output adopts ⊿ / Z0 isolation transformer to effectively suppress the third harmonic distortion of output voltage

The software and hardware are fully compatible under various operation modes, such as single machine online, single machine Eco, master / slave hot backup and redundancy, expansion and parallel operation


4. Reliable digital control and distributed intelligent parallel operation technology


5. Intelligent battery management

According to the battery discharge curve, the discharge termination voltage is automatically adjusted to avoid excessive discharge caused by fixed setting

Intelligent charge and discharge battery management based on temperature compensation can greatly extend the service life of battery by more than 50%

The battery self-test is carried out regularly to ensure the reliable operation of the battery

Prediction of battery backup time

Automatic battery management reduces maintenance

Complete local monitoring management

The original adaptive UPS parallel layer communication, without any additional equipment, can monitor the parallel UPS system information through any ups

Single machine provides 8-way output and 6-way input relay contact

Support RS232, RS485, SNMP, modem background communication mode


6. Powerful network management function

The system has the function of battery discharge warning and automatic safe shutdown

The advanced SNMP card and its related software are compatible with 10m / 100M Ethernet, and support SNMP, HTTP, TFTP, Telnet, ttyp and other protocols. The monitoring software has the function of power event recording and analysis. The flexible networking scheme can realize remote monitoring on Internet / Intranet

The UPS system has the functions of self diagnosis and self protection, which can realize automatic sound and light alarm, e-mail and BP machine alarm

More than 60000 UPS can be monitored at the same time through the network to support Wan solutions


7. Friendly man-machine interface, easy to operate and maintain

Full Chinese large screen LCD display, Chinese and English optional operation interface

The operation is simple, "one button power on"

Support remote, automatic boot, unattended

Modular circuit structure, full front operation, convenient use and maintenance


3、 Emerson Liebert nxr UPS specification sheet

power 30KVA 40KVA 60KVA 90KVA 100KVA 120KVA 160KVA
Physical parameters
Width × depth × height (mm) 600×843×1400
Weight (kg) two hundred two hundred and thirty-four two hundred and thirty-four two hundred and sixty-eight two hundred and sixty-eight three hundred and two three hundred and thirty-six
Input characteristics (rectifier)
Rated input voltage 380 / 400 / 415vac, three phase four wire
Rated operating frequency 50/60Hz
Input voltage range 228v-476v, - 20% ~ + 25% full load, - 25% ~ - 40% linear derating, - 40% can carry 70% load
Input frequency range 40Hz~70Hz
Input power factor Full load > 0.99, half load > 0.98
Input current harmonics (THDi) <3%
Input power slow start function Yes, it can be set in 5-30 seconds
DC characteristics
Output voltage stabilization accuracy of charger 1%
DC ripple low voltage ≤1%
Output characteristics (inverter)
Inverter output voltage 380 / 400 / 415vac, three phase four wire
Output power factor zero point nine
voltage stability steady-state < 1% typical value
transient < 5% typical value
Transient response time <20ms
Overload capacity of inverter % 1, 150 minutes, 150% 1
Phase shift characteristics With balanced load <1°
With unbalanced load <1°
Total harmonic content
THDv
Linear load 1%
Nonlinear load 3%
bypass
Bypass input voltage 380 / 400 / 415vac, three phase four wire
Bypass voltage range Default - 20% ~ + Other range values such as 15%, - 40%, - 30%, - 10% ~ + 10%, + 15% can be set by software
Bypass overload capacity 135% long-term, 170% 1 hour, 1000% 100ms
system
frequency 50 Hz / 60 Hz (settable)
Synchronous tracking range of municipal power supply ± 2Hz (default value), ± 0.5hz-3hz adjustable every 0.5Hz
Measured frequency accuracy (internal clock) 50Hz/60Hz±0.02%
System efficiency (full load) 96% for more than 50% and 95% for more than 25%
work environment
Operating temperature range 0-40 ℃ (see user manual for details)
Storage temperature -? 25 ~ 70 ℃ (without battery)
relative humidity 0-95% no condensation
Higher operating height When the altitude is less than or equal to 1000m, the load will be reduced by 1% for every 100m increase between 1000 and 2000m
Noise (1m) 55-62db, adjusted with load rate
Protection level IP20
Meet the standard Safety regulations: iec60950-1, iec62040-1-1 / as 62040-1-1, electromagnetic compatibility: iec62040-2 / as 62040-2 / en50091-2 class A, design and test: iec62040-3 / as 62040-3


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