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Diesel Generator Proposal

Power Plant Proposal

Home > Power Generation > Gas Engine Generator power plant - Proposal SD Biogas Genset 500KW


 

Proposal SD Biogas Genset 500KW

500GF1-1RZ (Maximum Output 500KW 60HZ)

BIOGAS FUELLED POWER PLANT

Brand                                                             CHP System

SD Brand Biogas Generator —�Efficient·Reliable·Durable

Shengli Oilfield SD Power Machinery

A professional enterprise that manufactures and develops technology of gas generator.

SD has over 30 year's experience of providing generator sets for prime and standby power. Leading products are gas generator set and their supplementary equipments. These products have characteristics of energy conservation, environmental protection, technological advance, the low operation cost and so on,

Our sets are built to the highest standards and all go through rigorous testing before being released to the market place. We offer more than 50 models and build more than 1,000 units per year. Our Power Solutions team also design and manufacture generators to meet individual customer requirements not covered by our standard ranges.

As a leading power systems supplier, SD and the worldwide SDt® Dealer Network are committed to supplying you with the electric power solutions you need to operate your business at maximum efficiency.

SD generator sets have a powerful reputation in a variety of electric power markets - and they have it for a reason. Time and time again, SD gas-powered generator sets, from 10 to 2,500 kW, deliver consistent performance, durability, reliability and economy, day after day, in some of the world's most grueling conditions.

SD Gas Generators are driving some powerful new changes in the way we see our world, and the way live in it. As our economic horizon continues to expand, as our world view shifts from regional to global, SD Gas Generators are on the job meeting the challenges of change wherever and whenever the need is for low emission, reliable, and productive power. All Shendong Gas Generators models offer high reliability, durability, and fuel flexibility to burn fuels from all kinds of fuelled gas.

Preliminary Technical Solution

1.The biogas power station would mainly contain following modules

SD Brand 500GF1-1RZ Biogas power generator set

To make it possible for future system running smoothly. SD would provide the 500GF1-1RZ Biogas genset from the right beginning. SD 500GF1-1RZ Biogas power generator set is powered by a purposely designed biogas engine (Z12V190ZL DK -2A) for Biogas and alternator (1FC6 adopt Siemens technology).

                   Cogeneration System              Biogas generator running in Thailand

Technical Data & Descriptions

2.1 General Technical Data

Power Rating at                                                                                         PF = 0.8

Power Rating 功率

kW

500

Dimensions and Weights of Power Generator Set (Approx.)

Length

mm

5,506

Width

mm

2,698

Height

mm

1,970

Weight empty

kg

12,500

Main Components

Component                                       Technical information

Starting motor

ST70, 11kW, 24V

Turbocharger

H145-03FL, Radial flow type;

Flow capacity: 0.6kg/s

Water pump

Centrifugal type, 1,900rpm, 1,000L/min, 20m lift

Oil cooler

Water cooled, fin-type

Centrifugal oil filter

5,000rpm, 16-18L/min (oil temp. at 75°C, oil pressure at 600kPa)

Oil filter

Paper element, 200kPa pressure drop

Natural gas pressure regulator

FISHER, FSS202CMB

Magneto

Type: ALTRONIC 3 ; Model: 12A33H-A Made in America

Ignition coil

Manufacturer: ALTRONIC Made in America

Spark plug

STITT 807BEX13.5, Made in America

Speed governor

WOODWARD, 2301A, Full electronic, 24VDC Made in America

2.2 Technical Data of Engine

Manufacturer

 

SD Gas Engine

Engine type

 

Z12V190ZL DK -2A

Working principle

 

4-stroke, with turbocharger and intercooler

Configuration

 

Vee 60°

No. of cylinders

 

12

Bore

mm

190

Stroke 

mm

210

Mean piston speed

m/s

7

Compression Ratio

 

9: 1

Total displacement

L

71.45

Torque Max.

N.m

5265

Rated power 

kW

650

Rated speed 

r/min

1000

Filling capacity of lube oil

L

180

Lube oil pressure in oil main line

kPa

400-800

Lube oil pressure in turbocharger 

kPa

200-400

Stable speed droop

%

less than or equal 5

Cylinder serials number

Flywheel on left

1 - 2 - 3 - 4 - 5 - 6

7 - 8 - 9 -10 -11 -12

Ignition method

 

Spark Plug Ignition

Ignition order

 

1-8-5-10-3-7-6-11-2-9-4-12

Starting method

 

24VDC motor

Direction of Rotation

Flywheel view

Counterclockwise

Power output method

 

Flywheel output

Cooling system

 

Radiator with blower fan

Length

mm

2692

Width

mm

1560

Height

mm

2070

Weight empty

kg

5330

Thermal Data

Exhaust temp. Before turbocharger max.

°C

less than or equal 630

Lube oil temp.

°C

less than or equal 90

Jacket water temp. 

°C

less than or equal 85

Exhaust Gas Data

Exhaust temp. Before turbocharger max.

°C

less than or equal 630

Nominal exhaust temperature

°C

550

Lubrication Oil Consumption less than or equal 1.0 g 15W40CD

2.3 Technical data of alternator

Manufacturer

 

CSIC Electrical Machinery Science & Technology Co.,Ltd

Model

 

1FC6

Specification and temp. of cooling medium

 

VDE40°C

Rated power KVA

KVA

750

Power factor

 

0.8 (lag)

Frequency Hz

Hz

60

Protection degree

 

IP23

Insulating Class

 

F

Phase and co

 

3 phase-4 wire connection

Exciting method

 

Brushless excitation

Cooling method

 

Natural cooling

Product description

The brushless constant-voltage synchronous alternators are of the self-excited type with an electronic voltage regulator integrated in the excitation system. They are used as main or standby units in land based power installations and for ships' electrical systems and can be driven by internal combustion engines or gas, steam and water turbines and electric motors.

Structure:

The alternator comprises the main machine, exciter and excitation system. The main machine is of revolving magnetic field with cylindrical rotor and damper winding.
The exciter is revolving armature machine.
The exciter power is supplied to the rotor of the main machine via rotating rectifiers.
1FC6 Series have open-circuit cooling,
1FJ6 Series have close-circuit circulation cooling. 

Standards and Specifications:

1FC6/1FJ6 Series confirm to applicable IEC requirements,DIN standards and VDE specifications and particularly to VDE0530, specifications for rotating electrical machines. They can also be made to comply with China's national new standards and following foreign standards and requirements. BS2613 and BS5000
    NF C51-100
    CSA C22.2-100
    CEI 2-3
    Other standards are on enquiry.
The alternators excitation devices accord with Group C requirements stipulated in the VDE0660 AND VDE0110.

In the process of the "Jieli" generator development in more than 10 years, leaders from the China Shipbuilding Industry Corporation and its subsidiary corporation in every area came to our plant many times to guide work and gave strong support to the plant. Their actions are helpful for the plant's 1FC6/1FJ6 genertors and diesel generating sets to rapidly get big market share. The generator industry realized the transitional development from weak to strong.

The brushless synchronous alternators for marine use be made with introduced Siemens Licence.

The plant signed "The Agreement for Use of Siemens Global Services" with the Siemens AG of Germany for 1FC6/1FJ6 generators.

We'd like to meet the users'demands to the maximum limit by supplying high-quality products and satisfactory service.

Output  

The rated outputs(KVA)given in the Selection Table are valid for:
---Continuous running duty at 50 or 60Hz rated frequency.
---Power factors from 0.8 to 1.
---Class F insulation.
---Sinusoidal load current.
---Symmetrical load.

Site rated output:

Corrections must be made from the nominal output to VDE0530(rated output at 40°C and 1000m a.s.l)in each of the following cases:
1.
Coolant temperature exceeds 40°C and marine alternators regulated by different classification society rules(See Selection Tables).
    A special inquiry should be made if the coolant temperature exceeds 55°C. At coolant temperature 30°C the mean output is increased by 4% over that permissible at coolant temperature 40°C.
2.
Site altitude exceeds 1000m a.s.l.(Does not appall for marine alternators), the output will reduce as following table.

Site altitude (m)a.s.l.

1000

1500

2000

2500

3000

3500

4000

Permissible output % of rated value

100

97

94

91

87

82

77

 

 

 

 

If no coolant temperature is stated, it will be assumed that the altitude-induced reduction in the cooling efficiency is compensated by a lower coolant temperature i.e.that adjustment of the maximum temperature rise stipulated in VDE0530 is not necessary(No derating). The following coolant temperatures are obtained for the thermal utilization corresponding to class F insulation.

Site altitude(m)a.s.l.

1000

1500

2000

2500

3000

3500

4000

Coolant temperature in °C

40

35

30

25

19

14

9

3. If power factor is less than 0.8, the output will reduce as following table.

Power factor cosphi

0, .8

0.7

0.6

0.5

0.4

0.0

Permissible output % of rated value

100

96

92

91

90

88

4. Unbalanced load In accordance with VDE0530, the alternators can withstand unbalanced loading of up to 20%. It should be noted however, that the voltage variation and the rated outputs indicated in the tables are not attained under unbalanced load.
5.
Overload In accordance with VDE0530, the alternators can have an overload of 1.5 times the rated current at rated voltage for 2 min.

Voltage and frequency:

The alternators are suitable for operation at 50Hz and at 60Hz as shown in the Selection Tables. The alternator voltages are 400V at 50Hz and 450V at 60Hz. Load voltages corresponding to the alternator voltages are 380V at 50Hz and 440V at 60Hz.
    Apart from an internal reference value potentiometer on the regulator the rated voltages can be adjusted ±5% using an external panel mounting reference value setter(optional extra).
    The three-phase stator winding of the alternators is connected in star. The neutral point is brought out.

Efficiency

The efficiency given in the Selection Tables allows for the total losses in the alternator, including those of the field winding and excitation system. The value at rated output are guaranteed in accordance with VDE0530.

Insulation system

The alternator windings are equipped with Siemens DURIGNIT®2000 insulation system which meets Class F requirements to VDE0530.

The insulating materials used are non-hygroscopic, non-tracking and withstand severe thermal stressing.

The stator winding of the alternators are made of special enameled wire of high hydrolysis-resisting quality or flat copper bars with mica paper.

A special resin impregnation process is adopted to the standard insulation. This results in high mechanical strength, vibration resistance and excellent dielectric strength and renders the alternators suitable for operation in all climates to DIN50 019.

Radio interference suppression

The alternators are equipped with interference suppression in accordance w ith grade N of VDE0875 and suppression level K is on request.

Ex citation system

Th e alternators are fitted with thyristor voltage regulator THYRIPART®excitation system. The excitation current can be regulated automatically in accordance with the variation of load, resulting in constant voltage. This style of excitation has excellent kinetic character in the conditions of load-variation and short-circuit.

Speed and direction of rotation

At rated speed given in the Selection Tabes the alternator produces the rated frequency of 50/60Hz.
The alternators are of clockwise running when viewed from the drive end. They can also be supplied as anti-clockwise running on request.

In accordance with VDE0530 the sequence "U,V,W" of the terminals in the terminal box corresponds to the phase sequence in clockwise rotation. For operation in parallel with an existing system the phase sequence must be checked before making the connections.

Over speed for alternators nomally Nmax=1.2nN, higher values on request. With the alternator main switch open there are no restriction on operation the alternators with THYRIPART? excitation at less than rated speed (e.g.d for starting -up the prime mover). This does not apply to special alternators with sleeve bearings which may only be run down to about 20% of their rated speed.

Standards and Specifications:

The alternators can be supplied in the following versions to IEC34-7.(IM=international mounting).

DIN 42 950 designations are in brackets.
Alternators 1FC6 184 to 354 can be easily adapted to various mounting situations by the feet mountings on the housing. They can aslo be supplied without feet.

If requested, frange dimensions other than those quoted in the dimensions tables can be suppplied, please give flange diameter N and flange depth R.

Degree of protection

1FC6 series alternators normally have degree of protection IP23(DIN 40 050). The 1FJ6 45.-56. alternators have degree of protection IP54/IC81,according to IEC(IC81:closed circuit cooling system with built-on air/water cooler).

The terminal box or terminal space has degree of protectionIP54.
Other detrees of protection on enquiry.

Air filter

 An air filter can be fitted for special conditions on request.
 If customer calls for air filters, it is recommended that thermistor sensors are fitted in the stator winding so that if a temperature rise occurs due to a dirty filter, an alarm or shutdown can be given.

Anti-condensation

Anti-condensation heating is available for the alternators(as an optional extra).
    The anti-condensation heater requires a voltage of 220V or 110V and has heat output of about:
    80W for 1FC6 184 to 286

    150W for 1FC6 350 to 408

    315W for 1FC6 454 to 566

Terminals and connection bus-bars

Cable entry to the 4 main connections,(U, V, W, N)and to the 2 field terminals(F1, F2)can be from left or right. The cable entry plates normally supplied undrilled.

Paint finish

Alternators are painted with polyurethane mica ferric oxide red bottom lacquer and sea-gray polyurethane face lacquer(marine)or light tan-gray alcohol acid magnetic lacquer(land), special painting requirements should be declared in orders by customers.

Moment of inertia

All values for the moment of inertia(J in Kgm2) given in the Selection Tables are subject to a tolerance of ±10% conformed to VDE0530, the values are for the rotor without coupling.

Cooling

The alternators are internally cooled with shaft-mounted fan to VDE0530, IEC IC01, the fan provided at the drive-end draws the cooling air axially through the machine.

Noise emission

The alternator noise level does not exceed that stipulated in VDE0530B part 9.

Vibration

Reciprocating engines used as prime movers impress vibrations on the alternator because of the pulsating torque output. Permissible vibration streeing accords to DIN6280-11.
Please enquire if higher viberation stressing levels are expected.

Bearings

See "spare parts" page for bearing allocations. Alternators up to 1FC6 286 have on-off lubricated bearings,1FC6 35. and above can be re-lubricated during operation.
 If required, alternators 1FC6 454 and larger can be fitted with sleeve bearing, please enquire.
With alternators 1FC6 350 and larger, a miniature Pt100 screw-in resistance thermometer can be

fitted in the bearing for remote display.

Drive and coupling

Alternators provided with two bearings can be driven by reciprocating engines via highly flexible couplings.

The coupling is not part of the scope of delivery of the alternator manufacturer.

The torsional vibration has to be calculated for rigidly coupled single-bearing alternators. We can provide dimension and axis-system drawing. Any axis-system special requirements are on enquiry.

Steady-state voltage variation

Throughout the range from no-load to rated power factor, the following voltage regulating accuracies are achieved:
Isolated operation(
without droop compensation device) UN±0.5%
Parallel operation(
with droop compensation device)
UN±2.5%

 On alterantors equipped with droop compensation the voltage variation in parallel operation can be improved to the isolated-operation value by short-circuiting the droop compensation device.
 Failures in the excitation unit do not result in the voltage rising to more than 115% of the rated voltatge.

Voltage variation on connecting and disconnecting a load

The voltage will suddenly drop or rise when loading or unloading suddenly.
The variation of voltage versus rated voltage as follows:

UN--rated voltage of alternator
U-lowest(
highest)voltage after loading or unloading suddenly

The variation approximate assessment of the average value is :

Short-circuit current and short-circuit rating :

Due to the load-dependent operation of the static excitation system the alternators meet the requirements for lowest possible voltage dips and fast voltage recovery after sudden loading with large squirrel-cage induction motors. The excitation principle used provides sustained short-circuit currents of approximately 3 to 5 times the rated current. This enables the use of selective protective relaying. The alternators must be relieved of the sustained short-circuit current after 5s.
The magnitude of the sudden short-circuit current referred to the rated output to VDE0530 at 40°C(
see column 1 of the Selection Tables)satisfies the requirements of VDE0530.

Unbalanced load

In accordance with VDE0530, the alternators can withstand unbalanced loading of up to 20%. It should be noted however, that the voltage variation and the rated outputs indicated in the tables are not attained under unbalanced load.

Overload

In accordance with VDE0530, the alternators can have an overload of 1.5 times the rated current at rated voltage for 2 minutes.

Parallel operation

Continuous parallel operation is feasible but please bear in mind the following points:
1.
All alternators are provided with a damper winding which reduces phase swinging in parallel operation.
2.
The active-load sharing is adjusted by using the governor of the driving engine. The speed characteristic of the engine should be linear and in coincidence and on changeover from rated load to no-load the speed should rise by at least 3% and by not more than about 5%.
3.
The reactive-load sharing is assured by a droop compensation device. A droop compensation device can be supplied for alternators 1FC6 18. for switchboard panel mounting.

Droop compensation devices can be fitted in alternators 1FC6 22.-35.if requested and is available in 1FC6 40.-56. alternators.

Thus equipped, the alternators are suitable for parallel operation with other alternators having the same voltage droop or with a supply system.

4. Neutral point connection
Direct interconnection of alternator neutrals and/or those of transformers and load neutrals may give rise to circulating current of three times the power frequency in the neutral conductor. The magnitude of these currents must be measured in the alternator neutral conductor under the highest conceivable load conditions. To avoid thermal overloading of the alternators the circulating currents occuring at three times rated frequency should not be allowed to exceed about 50% of the alternator rated current.
Over high current values should be limited by means of neutral reactors or other equivalent means.

Alternator protection equipment

The stator winding can be equipped with thermal protection in the form of PTC sensors or resistance thermometers. Please enquire where alternator protection gear necessitates opening of the neutral. Please quote type if it is intended to use a star-point current transformer. 

Alternators to be operated in parallel should be provided with reverse-power protection.
The necessary monitoring and tripping devices must be provided separately and are not included in the alternator scope of supply.

Multi-Fan and radiators

              Multi-Fan and radiators

Control system

Engine operation, synchronization and protection: Control Panel system

Displays data of: voltage of each phase of the alternator, current of each phase, power output, power factor, frequency; voltage of each phase of the grid; total power output calculation, total operation time, engine speed, cylinder temperature from cylinder 1 to 12, exhaust temperature from cylinder 1 to 12, lube oil temperature, lube oil pressure, turbo charger oil pressure, water temperature,

Common Control Panel                                              TEM Computer control

Common Control Panel                                                          TEM Computer control

3 Training

3.1 Operator training

Operator training would be conducted by SD technicians during the process of installation and commissioning or Factory training in China for 14 days (actual period can be shortened or prolonged at customer’s request).

Biogas should be purified before burning in engine

Biogas temperature  less than or equal 40°C

Biogas pressure 3-10kPa; Fluctuate rate of pressure less than or equal 1kPa/min

CH4 more than or equal 40%; Fluctuate rate of CH4 less than or equal 2%∕min

H2S less than or equal 200mg/Nm3

NH3  less than or equal 20mg/Nm3

Granule less than or equal 5μm

Granule less than or equal 30mg/Nm3

Moisture  less than or equal 40g/Nm3

 

1 set biogas generator set (500GF1-1RZ)

 

No.

Equipment Description

Unit

Qty

Unit Price

In USD

FOB Qingdao

Total Amount

In USD

FOB Qingdao

Remark

Electric

system

1

Biogas generator 500GF1-1RZ

500KW 60HZ

   Including

l       Biogas engine

l       Alternator

l       Control panel

l       Control cable

l       Exhaust pipe and Muffle

l       TEM Computer control

set

1

193731.3

193731.3

Standard

2

Start panel 3000A.(AC TO DC)

set

1

4925.373

4925.373

Optional

Biogas in

3

Water-Biogas Separator

set

1

3283.582

3283.582

Optional

4

Flame arrester

Unit

1

2462.687

2462.687

Optional

Transport

5

Freight to Qingdao Port China.

set

1

820.8955

820.8955

Optional

Cooling

6

Multi-Fan and radiators

set

1

13134.33

13134.33

Optional

The Seller can give the Buyer in the territory an efficient technical assistance, during the period of installation, testing of the genset, the Buyer can ask for the intervention of Seller�?s technicians. Round trip tickets Costs, board and lodging cost will be borne by the buyer.





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