Technical Specification

Switchgear and Control System

for the Electrical Equipment of a Diesel Power Station

8 x 6500 kVA, 11 kV, 50 Hz

Kundenname -2- Offer:
Projektname Date: 21.09.01

Item A List of Contents

Item A List of Contents 2

Item B Power Plant Mode of Operation 3

Item C General Information 4

Item 1 Medium Voltage Switchboard 7

Item 2 Neutral Earthing Board 14

Item 3 Control Board 15

3.1 Alternator Control Board 15

3.2 Local Data Board 22

Item 4 Transformers 24

4.1 Station Transformers 24

Item 5 Low Voltage Station Board 25

Item 6 DC Supply 28

Item 7 Spare Parts / Accessories 29

Item 8 Installation Material 31

Item 9 Earthing Material For Inside Power Station 32

Item 10 Power Station Scada System "PSS" 33

Kundenname -3- Offer:
Projektname Date: 21.09.01

Item B Power Plant Mode of Operation

• Manual start order of the engines

• Automatic start sequence procedure

• Automatic or manual synchronizing of alternators

• After paralleling of the gen.-sets automatic or manual load sharing

between gen.-sets

• Monitoring and regulation of the system frequency in case of island

operation

• Automatic or manual pre-selected power output of gen.-sets in case of

mains parallel operation

• During mains parallel operation, decoupling from the mains within an

extremely short time for safe operation of the power station

• Mains voltage and frequency variation shall not exceed normal (+/- 5 %) or
acc. to request

• Load shedding occurs if gen.-sets are overloaded

Kundenname -4- Offer:
Projektname Date: 21.09.01

Item C General Information

Ambient conditions
Ambient Temperature: 40° C

Max. humidity: 90 %

Altitude: Up to 1000 m above sea level

Standards
All material offered complies with the relevant Standards:
IEC
ISO
VDE
DIN/EN

The products and system described in this specification are manufactured

and marketed using a quality system certified by TÜV Rheinland and based
on German Standard DIN ISO 9001/EN29001.
Kundenname -5- Offer:
Projektname Date: 21.09.01

Drawings and Documentation

Drawings and documentation will be issued to the above mentioned
standards.
3-fold in DIN A4 size, English language.

Drawings will be generated with our engineering system CAE 33.

Preparation of documents used in Electric Technology Part 2:

Function-oriented diagrams acc. to DIN/EN 61082-1-3 (IEC 1082-1-3)

Diagrams, charts, tables:

Item designation acc. to DIN 40 719-2 (IEC 750).

Graphical symbols of diagrams acc. to DIN 40 900-1.....12

(IEC 617-1.....12).

Normal colour codes of the wiring as follows:

black - the 3 phases and normal control wiring
and secondary winding of p.t.'s
light blue - neutral
yellow/green - earthing
red - DC-wiring 24 V+
blue - DC-wiring 24 V-
brown - DC-wiring 110 V+
violet - DC-wiring 110 V-
grey - secondary wiring of c.t.'s
white - wiring for potential free contacts.

LV-Wirings
All secondary circuits are wired with PVC-insulated flexible copper wires, with
a minimum cross section of 0.75 sq.mm. The wiring is laid in plastic trunking
and in flexible PVC conduit for crossover of wiring to door-mounted
components.
Kundenname -6- Offer:
Projektname Date: 21.09.01

Terminals
All terminals of "non hygroscopic" material. The terminals have a minimum
rating of at least 1.5 at operating intensity. Terminals for the secondaries of
p.t.'s and c.t.'s are designed as test terminals.

Protection Relays:

Protection relays, not included in the MPU, make SEG type HIGH TECH
LINE, are micro processor controlled, plug-in type, for flush mounting, with
alpha-numerical display for menu-guided value adjustment and indication of
actual measurements, and LED's for indication of selected values and tripped
protection elements.

Measuring Transformers
Are of cast resin types. Current/voltage transformers are dimensioned
according to load and accuracy requirements and according to the short-
circuit capacity of the switchboard.

Measuring Instruments
Are flush-mounted, frame size 96x96 mm, with 90° scale deflection, accuracy
class 1.5

LV Switchboard design:
Factory built and tested switchboard acc. to DIN EN 60439, classification
VDE 0660, part 500 for indoor installation in enclosed electrical work shops
as partial type tested switchboard (PTSK).

Designed as free-standing type in a steel plated frame construction, with front

doors, with rubber profile gasket and sash fasteners.

Universally enclosed with 1.5 mm sheet steel, doors 2 mm thick, primer with
respective pretreatment and finishing paint with structural lacquer.

Bottom open for mounting on a cable duct to be mounted on site for incoming
and outgoing cables.

For protective measures, rigid earthing is provided according to VDE 0110

with total potential balance, N- and PE busbars are layed separately, N
busbar isolated
Kundenname -7- Offer:
Projektname Date: 21.09.01

Item 1 Medium Voltage Switchboard

Metal clad type tested cubicles with draw-out circuit breakers and fixed
mounted load break switches.
Shock-wave resistant construction.
Arc-resistant design
Floor mounted type
Ready assembled, wired and factory tested.

Standard and ratings:

IEC 298
DIN/VDE 0670 Part 6
Protection Class IP 4X

Technical data:
The following data are subject to detailed calculations by the supplier of the
electrical equipment:
Service voltage: 11 kV
Rated voltage: 12 kV
Service frequency: 50 Hz
Rated short-circuit breaking current (3 s): 25 kA
Rated current of busbar: 1600 A

Insulation Level:
Rated lightning impulse withstand
voltage (peak) phase to earth (B.I.L.): 75 kV
Rated power frequency withstand
voltage (rms) phase to earth (for 1 min.): 28 kV
Kundenname -8- Offer:
Projektname Date: 21.09.01

Surface treatment:
- Steel sections and sheets: galvanized
- Front doors and rear covering plates: Electrophoretic primer
and then stove-
enamelled
grey (RAL 7035)
Required room height: min. 3000 mm
Required space in front of the switchgear: min. 1500 mm
(For removing the circuit breaker part)

The panels are self-supporting steel constructions with a maxiumum of

stability and a minimum of weight.

Live parts are covered, against accidental contacts, with earthed sheet-steel
inside and outside the panel. The circuit breakers are draw-out types and
metal safety shutters will automatically close the fixed power contacts in the
test position.

The panels are divided into 4 compartments:

1. Busbar compartment
2. Circuit breaker compartment
3. P.t./c.t./cable termination compartment
4. Low voltage compartment for measuring and protection.

The erection of the panel can be done directly on the levelled floor. The
design is done to allow safe operation in extremely onerous climatic
conditions.

Cabels can be easily installed in the cable connection chamber at the lower
part of the panel

Type tests are carried out. - Test certificates are available.

Kundenname -9- Offer:
Projektname Date: 21.09.01

The switchboard consisting of:

8 Generator panels (one per gen.-set)
1 Busbar voltage measuring panel
1 Busbar sectionalizing double panel
2 Station transformer panels
6 Feeder panels (2 mains, 4 consumer)

Outside Panel Dimensions (approx.):

Height: 2200 mm
Width: (subject to necessary design engineering)
Depth: 1300 mm
Kundenname - 10 - Offer:
Projektname Date: 21.09.01

The Generator Panels consisting of, each:

Power Part
1 Busbar system
1 Vacuum circuit breaker, 630 A, 25 kA at 11 kV withdrawable, with safety
shutters, motor charged, spring operated, with closing/tripping and
undervoltage coil, with emergency hand operation and the necessary
auxiliary contacts
3 Current transformers, double-core type
core 1 for measuring cl. 1FS5
core 2 for protection cl. 5P20
3 Potential transformers, single-pole type

For delivery to the alternator manufacturer:

3 Current transformers, single-core type, for mounting in the alternator star
point for differential protection

LV-Part
1 Voltmeter
1 Voltmeter selector switch
Test terminals for c.t.'s and p.t.'s
Kundenname - 11 - Offer:
Projektname Date: 21.09.01

The Busbar Voltage Measuring Panel consisting of:

Power Part
1 Busbar system
3 Voltage transformers, single-pole type, with two secondary windings
one for measuring bus voltage
one for earth fault measuring (open delta)
3 Lightning arrestors

LV-Part
1 Voltmeter
1 Voltmeter selector switch

The Busbar Sectionalizing double Panel consisting of:

Power Part
1 Busbar system left hand side
1 Vacuum circuit breaker, 1600 A, 25 kA at 11 kV withdrawable, with safety
shutters. motor charged, spring operated, with closing and tripping coil,
with emergency hand operation and the necessary auxiliary contacts
3 Current transformers, double-core type
core one for measuring, cl. 1FS5
core two for protection, cl. 5P20
3 Voltage transformers, single-pole type, with two secondary windings
one for measuring bus voltage
one for earth fault measuring (open delta)
3 Lightning arrestors
1 Busbar system right hand side
Kundenname - 12 - Offer:
Projektname Date: 21.09.01

LV-Part
1 Voltmeter
1 Voltmeter selector switch
Test terminals for c.t.´s and v.t.‘s

The Station Transformer Panels, each consisting of:

Power Part
1 Busbar system
1 Vacuum circuit breaker, 630 A, 25 kA at 11 kV withdrawable, with safety
shutters. motor charged, spring operated, with closing and tripping coil,
with emergency hand operation and the necessary auxiliary contacts
3 Current transformers, double-core type
core one for measuring, cl. 1FS5
core two for protection, cl. 5P20
1 Earthing switch, manually operated

LV-part
1 Ammeter
Test terminals for c.t.´s
Kundenname - 13 - Offer:
Projektname Date: 21.09.01

The Feeder Panels, each consisting of :

Power Part
1 Busbar system
1 Vacuum circuit breaker, 1000 A, 25 kA at 11 kV, withdrawable, with safety
shutters, motor charged, spring operated, with closing and tripping, with
emergency hand operation and the necessary auxiliary contacts
3 Current transformers, double-core type
core 1 for measuring cl. 1FS5
core 2 for protection cl. 5P20
3 Potential transformers, single-pole type (only for mains feeders !)
1 Earthing switch, manually operated

LV-Part
1 Voltmeter
1 Voltmeter selector switch
Test terminals for c.t.'s and p.t.’s

The Mains Feeder Panels each consisting of :

dito. the Consumer Feeder Panels but 1600 A
Kundenname - 14 - Offer:
Projektname Date: 21.09.01

Item 2 Neutral Earthing Board

Metal enclosed cubicles with front access doors for mounting on floor or
cable trench and equipped as follows:
Ratings:
Voltage: acc. to system voltage
Busbar: copper busbar
Protection class: IP42 acc. to DIN/IEC
Colour: RAL 7032

8 Vacuum contactors (one per gen.-set), single-pole, interlocked in such a

way that only one generator is earthed at any time.
1 Overcurrent relay

For separate installation:

1 Neutral earthing resistor, mounted in IP20 enclosure, non-corrosive type,
100 A / 30 sec.
1 Cable type current transformer
Kundenname - 15 - Offer:
Projektname Date: 21.09.01

Item 3 Control Board

3.1 Alternator Control Board

The alternator control board is assembled in metal enclosed cubicles with
front doors for floor mounting.

Flush-mounted instruments, indication lamps, push buttons, switches will be

door mounted.

Ratings:
Voltage: Up to 660 V
Frequency: 50 Hz
Control voltages: 24 V DC
110 V DC
400/230 V AC
Protection class: IP 42 acc. to IEC and DIN
Colour: RAL 7032

Function:
Control board for the Diesel gen.-sets and control of the Medium-Voltage
Switchboard Item 1.

The control board consisting of:

8 Alternator control panels (one per gen.-set)
1 Common control panel

Outside Panel Dimensions (approx.):

Height: 2000 mm
Width: (subject to necessary design engineering)
Depth: 600 mm
Kundenname - 16 - Offer:
Projektname Date: 21.09.01

The Alternator Control Panels, each consisting of:

1 Voltmeter with selector switch
1 Frequency meter
3 Ammeters
1 kW-meter, connected to the below measuring and protection unit
1 Control and Monitoring unit for Gen-Set type "CMG-2" with 10.4"
graphic colour display, with digital fault and analogue value processing, for
the Diesel-gen.-set specific features, such as:
• Menu information / Display of operating electrical parameters / Display
of operating engine parameters / Single line mimic diagram of
alternators with status of MV circuit breakers and earthing switches /
P&I diagrams of engine systems / Histogram of electrical and
mechanical parameters / Histogram of up to 1000 events / Important
O&M information text on plant for operator
• Selection of operational modes "Automatic", "Manual" and "Off" by
means of key switch
• Isolated operation and mains parallel operation of single and multiple
systems
• Starting and stopping of the gen.-set
• Adjustment of speed and voltage
• Control of generator CB "On/Off"
• Automatic switching over from LFO to HFO operation and reversed with
adjustable switching over parameters
• Up to ...... analogue supervision circuits (acc. to engine manufacturer
monitoring list)
• Up to ...... digital supervision circuits (acc. to engine manufacturer
monitoring list)
• Two analogue input circuits with the ability of balancing non-linear
transducers by means of polygon
• Recording, supervising and storing of alarms, measuring values and
operational conditions
• Operating hour meter and start counter
• Display of engine data in digital and analogue form as well as diagrams
• Exhaust gas temperature average computing as well as supervising
• Generator winding and bearing supervision 49G/38G
• Parameter matrix for analogue quantities and digital signals
• Dual stage password levels
Kundenname - 17 - Offer:
Projektname Date: 21.09.01

• 10-days storage of all events on the hard disk (can be extended)

• Interface for control level, modem or notebook
• Selection of languages (Latin letters)
1 Interconnection Remote Module for switchboard type "IRM-2"
For more details please see our separate technical description.

1 Measuring and Protection Unit type "MPU-2", with function keys and
LCD display, for the following applications:
Measuring with digital indication of:
• Generator voltage
• Generator frequency
• Generator currents, with maximum demand indication for 15 minutes
• Active / Reactive power
• Power factor
• kWh / kVArh counter
Evaluation / Protection:
• Overcurrent and short circuit 50/51
• Reverse power 32
• Generator over-/undervoltage 59/27
• Generator over-/underfrequency 81
Synchronization:
• Automatic Synchronizing, incl. frequency and voltage balancing
• Internal fault message processing for synchronization error / circuit
breaker does not synchronise
1 Differential protection relay 87 G
1 Earth fault protection relay 50N/51N
1 Signal lamp (green) "Engine running"
1 Signal lamp (red) "Engine fault"
1 Emergency OFF push button
1 Push button for alternator circuit breaker "ON" at manual synchronization
1 Key switch manual synchronization - automatic synchronization
- De-excitation device
Kundenname - 18 - Offer:
Projektname Date: 21.09.01

The Common Control Panel consisting of:

1 Control and Monitoring Unit interface "CMC1" with 10.4" colour graphic
display
1 Secondary, freely programmable logic control system (PLC) for the
common control specific features
- Interconnecting Remote Modules "IRM-1" for the common auxiliaries
Depending on the configuration, the following modes of operation (see also
page 3) and functions are available:
• Standby operation (gen.-sets are started only in case of mains failure)
• Prime power operation (permanent operation without connection to the
mains)
• Mains parallel operation
• Mains parallel operation with automatic standby operation
• Black Start function
• Load management
- Interfaces for data transfer with:
- the Control and Monitoring units for Gen-Set type "CMG-2", mounted in
alternator control panels (CAN-Bus)
- the offered Power Station Scada System PSS (Ethernet)
- an external diagnostic device (notebook) (RS 232)
For more details please see our separate technical description.

1 System earth fault relay 59 N

1 Mimic diagram with semaphore indicator for position of c.b. and earthing
switch

For manual synchronization:

1 Synchronizing bracket containing:
1 Double voltmeter
1 Double frequency meter
1 Synchronoscope
1 Synchronizing selector switch
1 Synchronizing check relay
Kundenname - 19 - Offer:
Projektname Date: 21.09.01

For each station auxiliary transformers :

1 Measuring and Protection Unit type "MPU-1", connected to the LV side
of the transformer, with function keys and LCD display, for the following
applications:
Measuring with digital indication of:
• Voltage
• Frequency
• Currents, with maximum demand indication for 15 minutes
• Active / Reactive power
• Power factor
• kWh / kVArh counter
Protection:
• Overcurrent and short circuit 50/51
• Earth fault 50N/51N
Switching position indication

For each consumer feeders :

1 Measuring and Protection Unit type "MPU-1", with function keys and
LCD display, for the following applications:
Measuring with digital indication of:
• Voltage
• Frequency
• Currents, with maximum demand indication for 15 minutes
• Active / Reactive power
• Power factor
• kWh / kVArh counter
Protection:
• Overcurrent and short circuit 50/51
• Earth fault 50N/51N
Switching position indication
1 Control switch
Kundenname - 20 - Offer:
Projektname Date: 21.09.01

For each mains feeders :

1 Measuring and Protection Unit type "MPU-2", with function keys and
LCD display, for the following applications:
Measuring with digital indication of:
• Voltage busbar system A
• Frequency busbar system A
• Voltage busbar system B
• Frequency busbar system B
• Currents, with maximum demand indication for 15 minutes
• Active / Reactive power
• Power factor
• kWh / kVArh counter
Evaluation / Protection:
• Overcurrent and short circuit 50/51
• Mains decoupling, incl. over-/undervoltage, over-/underfrequency and
vector shift 27/59/81/78
Synchronization:
• Automatic Synchronizing, incl. frequency and voltage balancing
• Internal fault message processing for synchronization error / circuit
breaker does not synchronise
Switching position indication
1 Earth fault protection relay 50N/51N
1 Control switch
Kundenname - 21 - Offer:
Projektname Date: 21.09.01

For the bus coupler:

1 Measuring and Protection Unit type "MPU-2", with function keys and
LCD display, for the following applications:
Measuring with digital indication of:
• Voltage busbar system A
• Frequency busbar system A
• Voltage busbar system B
• Frequency busbar system B
• Currents, with maximum demand indication for 15 minutes
• Active / Reactive power
• Power factor
• kWh / kVArh counter
Evaluation / Protection:
• Overcurrent and short circuit 50/51
Synchronization:
• Automatic Synchronizing, incl. frequency and voltage balancing
• Internal fault message processing for synchronization error / circuit
breaker does not synchronise
Switching position indication
1 Earth fault protection relay 50N/51N
1 Control switch
Kundenname - 22 - Offer:
Projektname Date: 21.09.01

3.2 Local Data Board

8 local data boards assembled in metal enclosed cubicles with front doors for
floor mounting.

Flush-mounted instruments, indication lamps, push buttons, switches will be

door mounted.

Ratings:
Voltage: Up to 660 V
Frequency: 50 Hz
Control voltages: 24 V DC
400/230 V AC
Design: Floor standing type
Door stop: hinged at right hand side
Protection class: IP 42 acc. to IEC and DIN
Colour: RAL 7032, structural
Accessories: Panel lighting, heater and ground socket
outlets on the mounting plate
Labelling: English, resopal white with black letters

The entire switchboard is ready assembled and wired and ready for
connection.

Outside Dimensions for each Panel (approx.):

Height: 2000 mm
Width: 1200 mm
Depth: 600 mm
Kundenname - 23 - Offer:
Projektname Date: 21.09.01

The Local Data Board additionally consists of:

1 Programmable logic controller PLC, make SEG

PLC with the following functions:
• Start preparation with engine-specific start-up program
• Control and supervision of the engine and its auxiliary drives
• Data collection of the analogue and digital signals of the actors and
sensors of the engine
• Data transfer
• Shut-down of Diesel engine
PLC consisting of:
• Compact housing with modules of required quantity
• Power supply
• Central controller (CPU)
• Digital input channels acc. to the engine manufacturers monitoring list
• Digital output channels
• Analogue input channels acc. to the engine manufacturers monitoring
list and incl. internal fault signal processing
• Interfaces for data transfer with:
- the Control and Monitoring unit for Gen-Set type "CMG-2", mounted
in alternator control panel
- the Interconnection Remote Module for switchboard type "IRM-2",
mounted in alternator control panel
- an external diagnostic device (notebook) (RS 232)

1 Rotation flashlight orange on the top of the switchboard

1 Set of miniature circuit breakers for measuring and control circuits

Installation on mounting plate of:

• Engine electronic speed governor (issued free of charge by the engine
supplier
• Alternator voltage regulator (outside dimensions max. 320 x 550 mm)
Kundenname - 24 - Offer:
Projektname Date: 21.09.01

Item 4 Transformers

4.1 Station Transformers

2 Three-phase station transformers, oil-immersed type, hermetically sealed,
for outdoor installation according to IEC 76 Standards, accessories,
fittings and material testing acc. to DIN standards.

Rated power: kVA

Rated frequency: 50 Hz
Prim. Voltage: 11 kV +/- 2 x 2.5 %
Sec. Voltage: 400/231 V
Vector Group: Dyn11
Imped. Voltage: 6%
Type of Cooling: ONAN
Ambient temperature: 40° C

The transformers will be equipped with standard devices for protection,

supervision and control, including:
- Oil temperature thermometer and temperature supervision unit
- Manual operating device for off-circuit tap changer
Kundenname - 25 - Offer:
Projektname Date: 21.09.01

Item 5 Low Voltage Station Board

1 Low voltage station board is assembled in metal enclosed cubicles with

front doors for floor mounting.

Flush-mounted instruments, indication lamps, push buttons, switches will be

door mounted.

Ratings:
Voltage: Up to 660 V
Frequency: 50 Hz
Control voltages: 24 V DC
400/231 V AC
Busbar system: 3 phases + N+E-conductors
Protection class: IP 42 acc. to IEC and DIN
Colour: RAL 7032
Switchboard design: Form Ι acc. to DIN EN 60439

The low voltage board will be designed to match the required auxiliary power
for electrical consumers within our scope of supply.

The switchboard consisting of:

2 Panels for transformer incomings
1 Busbar sectionalizing panel
8 Panels for Diesel engine auxiliary drives (one per gen.-set)
1 Panel for common station auxiliaries

Outside Panel Dimensions (approx.):

Height: 2000 mm
Width: (subject to necessary design engineering)
Depth: 600 or 800 mm
Kundenname - 26 - Offer:
Projektname Date: 21.09.01

The Panels for Transformer Incomings, each consisting of:

1 Busbar system
1 Air circuit breaker, triple-pole, A, motor operated, with thermal overcurrent
relay and magn. short circuit protection device
3 Current transformers
1 Voltmeter
1 Voltmeter selector switch
3 Ammeters

The Busbar sectionalizing Panel consisting of:

1 Busbar system left hand side
1 Air circuit breaker, triple-pole, A, motor operated, with thermal overcurrent
relay and magn. short circuit protection device
3 Current transformers
3 Ammeters
1 Busbar system right hand side

The Panels for Diesel Engine Auxiliary Drives, each

consisting of:
1 Busbar system
1 Load break switch with fuses as main disconnector
Compl. control and power circuits for the Diesel engine auxiliary drives acc.
to the respective consumer list ( dated .2001 ).
Kundenname - 27 - Offer:
Projektname Date: 21.09.01

The Panel for Common Station Auxiliaries consisting of:

1 Busbar system
1 Load break switch with fuses as main disconnector
Compl. control and power circuits for the station auxiliary drives acc. to the
respective consumer list ( dated .2001 ).

5 outgoing moulded case circuit breakers, triple-pole up to 160 A

3 ditto up to 60 A
2 ditto up to 25 A

The above stated additional outgoings are for small power sockets, power
house light, DC Board etc.

Optional:
For Black-Starter Gen.-Set:
1 Power part for 125 kVA black-starter, with terminals for incoming power
cables, 3-pole HRC-fuse, 3 current transformers, 3-pole air contactor, as
well as the necessary circuits for measuring, protection and manual
Start/Stop, with automatic back synchronization.
Kundenname - 28 - Offer:
Projektname Date: 21.09.01

Item 6 DC Supply

DC Board consisting of:

1 Battery charger, 110 V, automatic type, with I/U-characteristic suitable for
charging the above-mentioned 110 V battery
1 Battery voltage supervision unit 110 V
1 Battery charger, 24 V, automatic type, with I/U-characteristic suitable for
charging the above-mentioned 24 V battery
1 Battery voltage supervision unit 24 V
Furthermore necessary outgoing fuses to the switchboards specified under this
scope
2 Voltmeters
2 Ammeters
1 Power contactor for control room emergency lighting

The DC board is assembled in metal enclosed cubicles with front doors for
floor mounting.

Flush-mounted instruments, indication lamps, push buttons, switches will be

door mounted.

Ratings:
Voltage: Up to 660 V
Protection class: IP 42 acc. to IEC and DIN
Colour: RAL 7035

Outside Panel Dimensions (approx.):

Height: 2000 mm
Width: (subject to necessary design engineering)
Depth: 600 or 800 mm

Loose supply of the following batteries:

1 Station battery 110 V, lead acid, station type, 80 Ah for feeding the motor
drives and supervision units of MV-board and control room emergency
lighting
1 Station battery 24 V, lead acid, station type, capacity 360 Ah for feeding
the Diesel engine supervision units
Kundenname - 29 - Offer:
Projektname Date: 21.09.01

Item 7 Spare Parts / Accessories

Spare parts
Signal bulbs
3 Sets LT-fuses of each type used
2 Auxiliary relays of each type used
2 Time relays of each type used
1 Contactor of each type used
1 Control switch of each type used
1 MPU-1
1 MPU-2
1 Earth fault protection relay
1 Differential protection relay
2 Miniature circuit breakers of each type used
1 Module for digital inputs
1 Module for digital outputs
2 Modules for analogue inputs
1 CPU
1 Control and Monitoring unit for Gen-Set
A detailed spare parts list will be submitted after final engineering.

Spare parts for alternators

1 Set of bearing shell ( A side only )
1 Set of diodes
1 Voltage regulator
Kundenname - 30 - Offer:
Projektname Date: 21.09.01

Accessories
1 Trolly for vacuum circuit breaker
1 Handle for positioning of vacuum circuit breakers inside cubicle
1 Lever for manual spring charging of vacuum circuit breakers
1 Lever for manual operation of earthing switch/load break switch
1 Pair of electrically protected rubber gloves
1 Earthing/short circuiting set for T- and ball earthing terminals, with wall
storage bracket for storage
1 High voltage tester, with wall storage bracket for storage
Kundenname - 31 - Offer:
Projektname Date: 21.09.01

Item 8 Installation Material

Our scope of supply includes:

• MV: 11 kV power cables

• LV: 600/1000 V power cables
• LV: control cables
The quantities shall be based on the design of a standard power house
layout for a max. length of 35 mtr.

High Voltage Cables, single-core type N2XSY - XLPE insulated

• Generators to Medium Voltage switchboard

• Generators to Neutral earthing board

Low Voltage Cables, type NYY:

• Station Transformer to Low Voltage Station Board

• Low Voltage Station Board to auxiliary drives

Furthermore all necessary control cables for the connection of all control,
measuring and signalling devices within our scope of supply.

For the mains routes: Cable ladders of the galvanized steel type, incl. the
suitable brackets. Ducts or conduits for the protection of cables where these
have to be protected against mechanical damage. Cable clips for all cables
not laid in trays, ducts or trenches.

The necessary cable sealings for MV cables, compression glands for LV-
cables and other small material.

Our offer does neither include necessary power house lighting nor
communication systems, gass and/or fire detection systems, leckage
detection system and air conditioning, etc. We assume that those parts will
be delivered by other suppliers.
Kundenname - 32 - Offer:
Projektname Date: 21.09.01

Item 9 Earthing Material For Inside Power Station

The earthing system will be designed acc. to IEC and DIN Standards.

The necessary earthing material to connect all switchboards, generators,

motors and transformers to the common mains earthing bus inside the power
station.

Our offer does not include outside earthing network and equalization
earthing, this is part of other contractors. According to IEC the measured
value of outside earthing must be below 2 Ohm.
Kundenname - 33 - Offer:
Projektname Date: 21.09.01

Item 10 Power Station Scada System "PSS"

The central communication interface of the power station consists of:

1 Personal computer with Pentium processor with appropriate performance
and memory capacity
1 Colour graphic monitor, 19" with high resolution
1 DIN A4 colour inkjet printer for event and graphic printout
1 Ethernet network with Ethernet cards for insertion into the vacant slots of
the "CMG-2" and "CMC-1" processors
- Operating system Windows 95/98
- Graphics software "InTouch" by Wonderware
1 DIN A4 colour inkjet printer for event and graphic printout
1 UPS 1000 VA for 6 minutes
1 Modem for data transfer

The PSS includes the following features:

• Main menu with the layout of the power station and its most important
components shown as a process picture
• Fading of significant events into the relevant station components
• Selection of the individual engine control systems "CMG-2" or the Control
and Monitoring Unit interface "CMC1" of the Power Station Management
System
• Transmission of control and switching commands to the respective
systems (with password protection)
• Long-term storage of the data and events stored in the individual
subsystems "CMG-2" and "CMC-1"
Kundenname - 34 - Offer:
Projektname Date: 21.09.01

The PSS provides the following process pictures:

• Power station layout
• General overview of the gen-sets
• Main menus of the gen-sets
• Exhaust gas temperatures and deviations of average value
• Station single line
• Fuel oil system overview
• Cooling water system
• Alarm and protocol list
• Histograms
• 2 spare pictures