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688 KVA Standby Diesel Generator

688 KVA Standby Diesel Generator

Diesel generator set from 18 to 1320 kW; Cummins engine; Leroy somer or Stamford alternator; Factory price and factory outlet; CE/ISO and BV/TUV/SGS verified; OEM and ODM manufacturer; ...

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Product Details












KDGC550S

520S
Ratings

Standby Power

kVA

688

kW

550

Prime  Power

kVA

625

kW

500

Voltage type

50Hz,380/220V, 3 phases and 4 wires

Performance Data


Engine Brand & Model

Cummins KTAA19-G6A

Alternator Brand & Model

Engga EG355-500N

Control System

Deepsea DSE6120

Standard Noise Level@7m (Soundproof Sets)

80 dBA

Circuit Breaker Type

3 Poles MCCB

Frequency & Phase

50Hz, 3Phases + 4Wires

Engine Speed (RPM)

1500

Fuel Consumption (L/hr)

100% Load

140

75% Load

105

50% Load

77

25% Load

39

 Dimensions and Weights

 

Content

Open type

Soundproof Sets

Dimensions: (mm)

L

3500

5000

W

1660

1800

H

2150

2450

Weights (kg)

5300

6000


Engine Brand
 & Model: Cummins KTAA19-G6A

 Standard Cummins Engine Data

 

No. of Cylinders

6 L

Gross Engine Power(kW)

Prime

/

Cycle

4 Stroke

Standby

610

Bore / Stroke

159mm / 159 mm

Compression Ratio

13.5:1

Induction

Turbocharged and Air-air cooled

Displacement (L)

18.9

Cooling Method

Charge Air Cooling

Governing Type

Electronic

Starting method

24V DC motor

Coolant capacity (L)

26.5

Lubricant Oil

15W40-CF4 or above grade

Lube System Capacity(L)

50

 


Abnormal noise during running

No.

Malfaunction and causes

Remedy

1

Knocking or abnormal noise

(1) The error ignition spark time

(2) The air-fuel ratio is too high

(1)Re-adjust it according to specificaion

(2)Re-adjust it according to specification

2

Engine cracking:

(1) Malfunctions of ignition system

(2) There is error adjustment for fuel transmission system

(3) Air inlet valve is too sticky

(1) Repair it or change

(2) Re-adjust it according to specifications

(3) Clean or change valve

3

Over-load

Find the over-load reason and revise it

4

Ignition spark too earlier

Time it again according specifications

5

Exaggerate valve clearance

Adjust valve clearance again

6

Sticky valve or rocker

Clean sticky or change it

7

Damaged or too aged auxiliary driver

Repair or change the spare parts

8

Bearing larch gum is invalid

Change bearing

9

Piston pin larch gum is invalid

Change piston pin

10

Too much clearance for crankshaft

Change thrust ring of bearing

11

Un-suitable or too aged timing gear

Change it

12

Too much knocking:

Base screw is loosen or broken

Note: stop engine at once and find out the reason

Lock screw according to torque; Change screw and lock all screw in tighten.

13

Un-balance cylinder: Some cylinders cannot sparked.

Repair or changed some spare parts

14

Vibration damper: loosen, invalid and malfunctions

Change all fasten screw and lock them according to specifications and change vibration damper

15

Governor driving parts assembling is not good.

Check and repair gear location, wearing and off center situation, check anti-backlash spring of gear and change it if necessary.

16

The base screw of governor is unbalance

Loosen screw and position it again and fasten screw.


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