Diesel Generator

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Best Diesel Generator

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Technical Specifications

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Technical Specs of Generator Set

Model No :HQ21KVA

Output power: 21KVA

Power factor: cos d = 0.8 (lag)

Output voltage: 400V / 230V (380 / 220)

Output current: 31a

Rated frequency: 50Hz

Rated speed: 1500rpm

Fuel grade: (standard) 0# light diesel (normal temperature)

Fuel tank capacity: 50 liters

Overall dimension: 1650 × 650 × 1300 (L×W × H mm）

Weight of open rack unit: 600kg open rack reference

Steady state voltage regulation rate (%): ≤± 1

Voltage fluctuation rate (%): ≤± 0.5

Transient voltage regulation rate (%): + 20 ~ – 15

Voltage stabilization time (s): ≤ 1

Steady state frequency adjustment rate (%): ≤ ± 1

Frequency fluctuation rate (%): ≤± 0.5

Transient frequency adjustment rate (%): 10 ~ – 7

Frequency stabilization time (s): ≤ 3

Fuel consumption (100% load): 205g / kW · H

Noise (lp7m): 85dB (a)

 

 

Technical Specs of Diesel Engine

Cooling mode: closed water circulation cooling

Oil engine model: zh4100d

Oil supply mode: direct injection

Number of cylinders / structure: 4 / L type

Speed regulation mode: Mechanical

Cylinder bore stroke: 100 × 115 mm

Air intake mode: natural suction

Compression ratio: 19.0:1

Overload capacity: 110%

Starting mode: DC12V

Electric starting speed: 1500rpm

 

Technical Specs of generator:

Motor brand: HuaQuan

Protection grade: IP23

Motor model: hqf-21

Wiring mode: three-phase four wire, Y-type connection

Rated power: 21kva

Regulation mode: AVR (automatic voltage regulator)

Rated voltage: 400V / 230V

Output frequency: 50Hz

Insulation class: Class H

Output factor: cos Φ= 0.8 (lag)

 

The standard configuration of generator set is as follows:

Ø direct injection internal combustion engine (diesel);

Ø AC synchronous generator (single bearing);

Ø suitable for environment: 40 ℃ radiator water tank, belt driven cooling fan and fan safety shield;

Ø power generation output air switch and standard control instrument; Ø common steel base of the unit (including: vibration damping rubber pad of the unit);

Ø dry air filter, fuel filter, lubricating oil filter, starting motor and self charging generator;

Ø attached data: original technical documents of diesel engine and generator, instructions of generator set, test report, etc.