20KW/25KVA Cummins Diesel generator Technical Specifications

OPEN-TYPE

20 kw diesel generator set(25 kva diesel generator) are drove by Cummins Brand diesel engines manufactured by DCEC,and are connected with brushless generator fo Marathon or Stamford series and switch-broad,according to the requirements of our clients.The gensets have special devices for water temperature,oil temperature,low oil pressure and over-speed protection,so the products have many characteristics such as high precise voltage adjustment,excellent dynamic performance,stable voltage,long time efficient and economicetc

Model

20KW/25KVA

GENERATOR SET

Rated Frequency (Hz)

50

Rated Output Power (KW)

20

Rated Voltage (AC) (V)

230/400

Rated Current (AC) (A)

36

Power Factor (COSΦ)

0.8 (lag)

Power Supply

AC, 3-phase, 4-lines

Diesel generator set size

1625×745×1225

Diesel generator Weight(kg)

670

ENGINE

Engine Brand

Cummins

Engine Model

4B3.9-G2

Number Of Cylinders

4

Engine build

Line

Fuel type

#0 Diesel (Natural temperature)

Fuel Consumption (g/KW/h)

≤206

Piston diameter and stroke

102*120

Rated Rotation Speed (r/min)

1500

Starting Method

24V Electric starting

Cooling Method

Closed cycle water-cooled

Speed Regulation

E

ALTERNATOR

Alternator Brand

Marathon

Alternator Model

GM-20-4

Rated Output Power (KW)

20

Phase & Threads

three phase four threads

Insulation Class

self excitation

Brushless

H

Voltage Regulation

AVR

Protection class

IP23

Main Electric Performance

Diesel Generators Voltage

Stable State Rate

Instantaneous State Rate

Stable Time

Fluctuation Rate

1%

-15%~+20%

1S

0.5%

Diesel Generator  Frequency

Stable State Rate

Instantaneous State Rate

Stable Time

Fluctuation Rate

3~4%

8~12%

5~10S

0.5%