Model: Silent generator

Unit model: KC40GF

Backup power (KW): 40

Common power (KW): 36

Unit dimensions (mm): 1650×800×1260

Unit weight (kg): 800

Rotational speed (r/min): 1500

Fuel consumption (g/kw.h): 216

Frequency (Hz): 50

Transient voltage regulation: ≤-15%/+20%

Steady-state voltage regulation: ≤±1%

Voltage settling time: ≤3sec

Voltage fluctuation rate: ≤0.5%

Voltage waveform distortion: ≤8%

Steady-state frequency regulation: ≤5%

Transient frequency regulation: ≤-10%/+12%

Frequency settling time: 3 seconds

Frequency volatility: ≤1.5%

Engine parameters

Diesel engine brand: Cummins

Manufacturer: (DCEC) Dongfeng Cummins Engine Co., Ltd.

Diesel engine model: QSB3.9-G35

Backup power (KW): 64KW

Rated power (KW): 58KW

Number of cylinders/arrangement: 4 cylinders/inline

Compression ratio: 17.3:1

Cylinder bore * stroke (mm): 102 × 120

Displacement (L): 3.9

Oil pressure (kPa): 230~345

Engine oil temperature (°C): ≤121

Engine oil capacity (L): 10.9

Coolant volume (L): 7.2 (engine only)

Fuel system: High-pressure common rail injection system

Cooling method: Closed-loop water cooling system

Speed control method: Electronic ECM

Starting method: DC24V electric start

Air intake method: Natural air intake

Type: Four-stroke

Steady-state volatility under constant load: ±0.25%

Power deviation: ≤ ±5%

Generator parameters

Generator brand: Stamford

Manufacturer: Cummins Generator Technology (China) Co., Ltd.

Generator model: S1L2-R1/UCI224D1

Capacity: 50KVA

Voltage: 400V/230V

Types: Brushless, single bearing, rotating magnetic field

Excitation system: self-excited, automatically regulating voltage

Winding structure: 2/3 pitch

Number of phases: Three-phase four-wire

Insulation class: Class H

Power factor: COSΦ = 0.8 lag

Telephone interference factor: TIF: <50

Wiring: Y-type connection

Telephone harmonic distortion (THF): <2%

Protection rating: IP23

Radio interference: Meets BS800 and VDE G and N levels

Meets the following standards: GB755, BS5000 Part 3, VDE0530, NEMA MG1-22, IEC-34, GSA C22-100, AS1359

Standard configuration

Engine components: engine, diesel filter, air filter, oil filter, alternator, starter motor.

Generator section: generator, air switch.

Control system: LCD digital display controller, electronic speed controller.

Other components: water tank radiator, steel base, vibration damping pads.

Accessories include: muffler, battery, battery cables, engine oil, and shock absorber.

Implementation Standards

Military Standard GJB 5785-2006

National Standard GB/T 2820-2002

Communication Standard YD/T 502-2007

Industry Standard JB/T 10303－2001

Environmental certification: Class A for noise and vibration / Class A for exhaust gas

Telecommunications Equipment Certification (YD/T502-2007)*