Low Frequency Online UPS (Uninterrupted Power Supply) WYY

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Low Frequency Online UPS (Uninterrupted Power Supply) WYY

Applicationsof Low Frequency Online UPS (Uninterrupted Power Supply):
Widely used in electric power system, our low frequency online UPS is suitableto be used in the following places: computers and peripheral devices, medicalequipments, lighting of fire fighting system and telecommunication equipmentsas well as many other places where electrical isolation is necessary or stableelectric power supply is necessary.

Features of LowFrequency Online UPS (Uninterrupted Power Supply):
1. UPS power switch has auto detecting functions; one-touch power on functionis available in this uninterrupted power supply;
2. Intelligent liquid crystal display;
3. I.G.B.T and P.W.M.20KHz inverter technology is available;
4. Our low frequency online UPS is designed with independent charging circuit:the circuit is suitable for lead-calcium water free battery and NICR batteryetc.;
5. The transformer choke of the main circuit: H class insulation;
6. Electric power supply abnormality can be recorded for future inquiry;
7. Synchronizer: synchronized frequency and same phase with the commercialpower;
8. Automatic load balance system is available in our low frequency online UPS;
9. Automatic current regulation system guaranteed the battery charging safety,long battery life and long discharge time;
10. Disasters will be avoided for the short circuit protection system of ouronline UPS.
11. RS-232 and RELAY signals are available for the linking of computer system;and they are applicable to Windows 95/98/2000/NT/ME/XP, NOVELL / SNMP / ASMP/LINUX software.

Parameters of LowFrequency Online UPS (Uninterrupted Power Supply):

Model

WYY-10

WYY-20

WYY-30

WYY-40

WYY-50

WYY-60

WYY-70

WYY-80

WYY-90

Performance Parameters of Low Frequency Online UPS

UPS type

Low Frequency Online UPS

Rated Capacity

6KVA

8KVA

10KVA

12KVA

15KVA

20KVA

30KVA

40KVA

50KVA

Input

Voltage

380Vac ± 25%

Frequency

50Hz ± 5%

Phase

3P4W G

Output

Voltage

220Vac

Voltage stability

± 1%

Frequency

50Hz ± 0.3%

Phase

1P2W G

0.8 - 1

Dynamicresponse

± 4% (0~20% sudden load change) ± 2% (20% ~ 100% sudden load change)

Wave crest ratio

3:1

Wave distortion

< 3% (linear load)

Overload capacity

100% - 125% overload: 10min; 125% - 150% overload: ≤30ms

Battery

Volts DC

192Vdc

384Vdc

Type

Sealed maintenance free lead-acid battery

Standby time

10min (standard machine)

Charging time

90% or above charged in 10 hours

Switching time

Interrupt of commercial power

Uninterrupted power supply

UPS bypass

1ms

When overload is released

auto return to inverter supply

Appearance of Low Frequency Online UPS

Net weight (kg)

125

155

170

190

265

320

410

480

Gross weight (kg)

105

145

185

190

215

295

355

450

540

Width (mm)

260

380

460

650

Depth (mm)

590

595

650

800

Height (mm)

955

1160

1690

;Environmental Parameters of Low Frequency Online UPS

Temperature

0℃ ~ 43℃

Relative Temperature

10% ~ 90% (no condensation)

Noise (DBA)

50dB (one meter away)

55dB (one meter away)

58dB (one meter away)

Others

LED display

Green light: normal; Orange light: bypass power supply; Red light: UPS failures; battery low voltage, overload;

LCD display

CPU digital readout display and self-detecting: model, input and output voltage, frequency, output current, operating temp. of UPS, load utilization and the record and analysis of abnormal electrical power supply.

Warning system

Interruption of commercial power: alarm every 4 seconds; Low voltage of battery: alarm every second; Overload: continuous alarm:;

Short circuit protection

Stop inverting but not switch to bypass power supply.

The above parameters are obtained while the computer isloaded. If there is any parameter change, the label on the name plate should bethe final confirmation.

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