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Inverter - Electric power industry 0.5-40KVA
Products
Basic Features :

Basic Features
        Inverter adopts SPWM and CUP technology and the main circuit used advanced imported power modular. It can switch 12V/24V/48V/110V/220V DC power to AC which is 220V, 50Hz; regulate voltage and frequency, low noise, and pure sine wave.
        As development of the information network technology, the sine wave inverter as the new generation DC/AC exchange power have been already widely applied in telecommunication, Mobile, Unicom, aerospace, railroad, financial management, office automation, industry automatic control, the health, military scientific research etc various industries. The sine wave inverter takes the input using the battery direct current, after inversion outputs the pure sine wave alternating current. The output voltage and frequency are extremely stable which makes the UPS realize the long-term continuous working. It eliminates the disadvantages caused by power failure, not steady voltage, noise disturbance and lightning invasion etc and overcomes the short time power supplying disadvantage like small UPS to guarantees the equipment continuously reliable work. Choosing sine wave inverter is the best guarantee for the system security and reliable operation.

Product Models

Inverter for electric power industry

HF (ND series)

DC 220V input AC 220V output

DC 110V input AC 220V output

LF (NB series)

DC 220V input AC 220V output

DC 110V input AC 220V output

Inverter for telecommunication industry

HF (ND series)

DC 48V input AC 220V output

LF (NB series)

DC 48V input AC 220V output

Applications
Inverter specially designed for the posts and telecommunications correspondence, is suitable applied specially in program controlled switch with 48V (or - 48V) DC power (DC screen), computer engine room, network, cost server and illumination etc places. 
Inverter specially designed for electrical industry with input DC voltage 110V/220V and output 220VAC/50HZ pure sine wave AC power is mainly used in power plant, power system and railway etc important places.
HF Inverter Features
1. Combined software and hardware protection mode, high reliability
2. With perfect protection function: input polarity reversed, input over/low voltage, output over voltage/current, short circuit, machine inner over heat, and soft start functions.
3. Uses three compound filter and magnetic shield to reduce noise voltage to the input end, the electromagnetic compatibility is fine.
4. Intelligent fans speed governing system.
5. Can be connected with pure sensitive load (need to reduce rated power)
6. Compact size, light weight, high efficiency, easy operation, no pollution.
LF Inverter Features
LF inverter is the new-pattern inverter which adopts advanced high frequency pulse-duration modulation technology and the microcomputer control technology design with the advantages of high reliability, perfect protection functions, small wave distortion etc.
It can transfer 220V DC to AC which is 220V, 50Hz; regulate voltage/frequency, small noise and pure sine wave. This product has the high transfer efficiency. (it reaches as high as above 80% under full load condition). Besides, it also has strong load driving force for non-linear load. This series inverter can inspect and monitor the input voltage, current and output voltage, in order to realize the unmanned guard and maintenance function. 
1. Adopts advanced SPWM and CPU control technology;
2. With advantages of high reliability, input and output isolation, safe, high efficiency and small wave distortion etc.
3. With perfect protection functions:
Output overload protection; input reversed connection function;
Output over voltage protection; input low voltage protection;
Output short circuit protection; input over voltage protection;
4. Bypass automatic transfer realize equipments continuous working;
5. Can be used in bad environment, with strong stability and high reliability;
6. With strong driving force for non-linear load, can be made for big capacity power.
Specification
I. HF inverter (ND series) used in electric power industry: DC 220V input and AC 220V output

Model

ND500

ND1000

ND2000

ND3000

ND4000

ND5000

ND6000

Rated capacity

500VA

1000VA

2000VA

3000VA

4000VA

5000VA

6000VA

Rated output power

400W

800W

1600W

2400W

3200W

3500W

4200W

DC input

Rated input voltage

220V

Rated input current

3A

5A

10.5A

16A

21A

26.3A

31.6A

Cut voltage range

190V~270V

Start voltage range

207V~260V

Resist noise current

≤10%

AC input

Bypass voltage allowed

220Vac±15%

Rated input current

2.3A

4.5A

9.1A

13.6A

18.2A

22.7A

27.3A

Bypass transfer time

≤5ms

AC

output

Rated output voltage and frequency

220Vac,50Hz

Wave form

Pure sine wave

Rated output current

1.8A

3.6A

7.2A

10.8A

14.5A

15.9A

19.1A

Output voltage precision

220V±1.5%

Output frequency precision

50Hz±0.1%

Total harmonic distortion (THD)

≤3% (linear load)

Dynamic response time

5% (load 0←→100%)

Power factor(PF)

0.7/0.8

Overload capacity

120%, 30s

Inverter efficiency

≥85%

Work condition

Insulating

strength

1500Vac, 1 min

Noise(1m)

≤40dB

Work temperature

-5℃~40℃

Humidity

0~90% (non-condensing)

Altitude

≤1000m

Cooling method

Forced-air cooling

Inverter status

Main normal, inverter normal, battery low voltage, output overload

Dimension

19” rack mount (mm) (2U)

482×88.8×252

482×88.8×352

482×88.8×382

483×176×414

Weight(kg)

5

7

8

11

12

13

14

Tower (mm)

/

175×274×452

220×330×452

Weight(kg)

/

8

9

12

13

15

16

Color

Gray white/black

Protection function

Input low voltage, over voltage; output overload, short circuit protection, main high and low voltage protection

Output mode

Socket or terminal

Terminal

II. HF inverter (ND series) used in electric power industry: DC 110V input and AC 220V output

Model

ND500

ND1000

ND2000

ND3000

ND4000

ND5000

ND6000

Rated capacity

500VA

1000VA

2000VA

3000VA

4000VA

5000VA

6000VA

Rated output power

400W

800W

1600W

2400W

3200W

3500W

4200W

DC input

Rated input voltage

110V

Rated input current

6A

11A

22A

33.3A

44.4A

55.6A

66.7A

Cut voltage range

94V~132V

Start voltage range

101V~127V

Resist noise current

≤10%

AC input

Bypass voltage allowed

220Vac±15%

Rated input current

2.3A

4.5A

9.1A

13.6A

18.2A

22.7A

27.3A

Bypass transfer time

≤5ms

AC

output

Rated output voltage and frequency

220Vac,50Hz

Wave form

Pure sine wave

Rated output current

1.8A

3.6A

7.2A

10.8A

14.5A

15.9A

19.1A

Output voltage precision

220V±1.5%

Output frequency precision

50Hz±0.1%

Total harmonic distortion (THD)

≤3% (linear load)

Dynamic response time

5% (load 0←→100%)

Power factor(PF)

0.7/0.8

Overload capacity

120%, 30s

Inverter efficiency

≥85%

Work condition

Insulating

strength

1500Vac, 1 min

Noise(1m)

≤40dB

Work temperature

-5℃~40℃

Humidity

0~90% (non-condensing)

Altitude

≤1000m

Cooling method

Forced-air cooling

Inverter status

Main normal, inverter normal, battery low voltage, output overload

Dimension

19’ rack mount (mm) (2U)

482×88.8×252

482×88.8×352

482×88.8×382

483×176×414

Weight(kg)

5

7

8

11

12

13

14

Tower (mm)

/

175×274×452

220×330×452

Weight(kg)

/

8

9

12

13

15

16

Color

Gray white/black

Protection function

Input low voltage, over voltage; output overload, short circuit protection, main high and low voltage protection

Output mode

Socket or terminal

Terminal

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