internship presentation - siemens malaysia

Welcome to Siemens Malaysia

Nurul Syafiqah Binti Mohd Najib

Electrical & Electronic Engineering

UTP Supervisor : Ir. Mohd Faris B. Abdullah

Host Company Supervisor:Mr. Johan Abd. Aziz

Outline:1. Company Profile2. Industrial Internship Programs3. Industrial Internship Project4. Recommendation 5. Exposure6. Question and Answer Session

Industrial InternshipOral Presentation

1. Company Profile

A German multinational conglomerate company headquartered in Munich, Germany.

Energy

Divisions Fossil Power

Generation Wind Power Solar & Hydro Oil & Gas Energy Service Power Transmission

Healthcare

Divisions Imaging & Therapy

Systems Clinical Products Diagnostics Customer Solutions

Infrastructure & Cities

Divisions Rail Systems Mobility and

Logistics Low and Medium

Voltage Smart Grid Building

Technologies OSRAM*

Industry

Divisions Industry

Automation Drive Technologies Customer Services Metal Technologies

1. Company Profile

2. Industrial Internship Program

Energy Sector

Providing control & electrical solution for power plant.

Energy Fossil Instrumentation & Electrical (E F IE)

1. Company Background

E F IE ASEANHead of Business Unit

Software Engineering

Business Administration

E-Face (DCS) Bid Management

SecretaryTraining

Sales – New OPP Engineering & Project Management

Project Management

(DCS)

Engineering

Turbine Commissioning

Team*3

CommercialHardware Engineering

Operation Team

Service

After Sales Bid &

InstrumentProject Management

(E-BoP)

Project Other tasks Project

End

of In

tern

ship

7 Months

Office (5 months) Site (1 ½ month)

2. Industrial Internship Program

2. Industrial Internship Program

• Electrical system • Erection & Commissioning

Internship Project

Putrajaya Power Station

Centralised Utility Facilities

• Proposal Preparation• Technical Clarification• Data Collection

• SEE retrofit• Cable scheduleCasecnan, Philipine

Zaharani, Lebanon• SEE retrofit• Cable Schedule• Data Collection

Involvement

3. Industrial Internship Project

PROJECT TITLE : Retrofit of SFC/SEE and Synchronization/ Generator Protection at TNB Putrajaya Power Station.

3. Industrial Internship Project

PROBLEM STATEMENT:

The existing turbine control and electrical system has become obsolete.

PROJECT OBJECTIVE:

To replace the turbine control and electrical system that has become obsolete.

3. Industrial Internship Project

INDIVIDUAL OBJECTIVES:

1. To be familiarized with the basic concept of power plant operation.

2. To learn about the theory and electrical design of Synchronization / Generator

Protection.

3. To learn about the theory of start-up and excitation system of a gas turbine.

4. To experience and assist the erection & commissioning works at site.

5. To implement Health, Safety and Environment (HSE) practices in the

workplace.

3. Industrial Internship Project

Gas Turbine

Exhaust Diffuser

Generator

Air Intake Filter House

PCC

POWER PLANT OPERATION

3. Industrial Internship Project

SGT5 2000E (V94.2) (156 MW) – Open Cycle Gas Turbine

POWER PLANT OPERATION

3. Industrial Internship Project

POWER PLANT OPERATION

3. Industrial Internship Project

GT4SINGLE LINE DIAGRAM

3. Industrial Internship Project

SINGLE LINE DIAGRAM

Electrical System:Grid Circuit Breaker

2. Start-Up Frequency

Converter (SFC)

3. Static Excitation

Equipment (SEE)

1. Synchronization /

Protection System

3. Industrial Internship Project

SYNCHRONIZATION BASIC CONCEPT

Synchronizing Variables:

1. Voltage Magnitude

2. Voltage Frequency

3. Voltage Phase Angle Difference

3. Industrial Internship Project

SYNCHRONIZATION CABLE SCHEDULE

CABLE NUMBER(EXISTING)

SOURCE(EXISTING)

TERMINAL(EXISTING)

CABLECORE

DIAGRAM

DIAGRAM

(NEW)

22BFE1004 +22CJN01 -X10: 201 1BK CJN01GW001 CJT01GW001

22BFE1004 +22CJN01 -X10: 204 BN CJN01GW001 CJT01GW001

22BFE1004 +22CJN01 -X10: 207 2BK CJN01GW001 CJT01GW001

3. Industrial Internship Project

SYNCHRONIZATION CABLE SCHEDULE

PAGE(EXIST)

PAGE(NEW)

TERMINAL(NEW)

CABLE NUMBER(NEW, IF DIFF)

CABLE TYPE

SIZE (MMSQ)

D04 E032 -X10: 201 - NYY-J 5x10RE

D04 E032 -X10: 204 - NYY-J 5x10RE

D04 E032 -X10: 207 - NYY-J 5x10RE

Part 1

Part 2

3. Industrial Internship Project

SYNCHRONIZATION CABLE SCHEDULEPart 3

TARGET TERMINAL SIGNAL KKS SIGNAL DESCRIPTION REUSE

+22BFE10.BA001 -X2: 1 22CJN01GW021 400V AC INCOMING FEEDER L1 Y

+22BFE10.BA001 -X2: 2 22CJN01GW021 400V AC INCOMING FEEDER L2 Y

+22BFE10.BA001 -X2: 3 22CJN01GW021 400V AC INCOMING FEEDER L3 Y

3. Industrial Internship Project

Cable Termination Cable Cores

Internal Connection

Modules

Panel Nameplate

3. Industrial Internship Project

SINGLE LINE DIAGRAM

3. Industrial Internship Project

Existing Components New Replacement Modules

Power Supply –F81(7SV11)

Power Supply –F81 & -F82(SITOP 6FP)

Coupling Modules –F97 & -F98 (7UW20)

Lockout Relay

3. Industrial Internship Project

Existing Components New Replacement

Synchronizing Device (7VE21)

Automatic Paralleling Device –D01 (7VE61)

Sync Check Relay (7VM22)

Sync Check Relay –D02 (7VK61)

3. Industrial Internship Project

SYNCHRONIZATION/ GENERATOR PROTECTION WORK SEQUENCES:

The existing modules, cables &

cores termination for CHA 11/12/13

panels are verified based on existing

drawing and cable schedule.

1.

3.

The synchronizing relay

parameterization (Automatic

Paralleling Device – D01 & Sync

Check Relay – D02) are set up.

2.

3. The cable terminals are

disconnected and the old modules /

components are removed.

The new modules / components

are installed in the panel and the

cables & cores are connected based

on the new cable schedule.

re 3. Industrial Internship Project

SYNCHRONIZATION/ GENERATOR PROTECTION WORK SEQUENCES:

Continuity check is done to

ensure the correct connection as in

new drawing.

5. Cold commissioning is done by

giving the input from HMI to see the

relay function as expected.

6.

Finding

1. Able to identify the tools used during dismantling and installing work.

2. Learn read the cores terminal, tagging, drawing.

3. Learn how to trace the cables with no tagging previously using

multimeter

re 3. Industrial Internship Project

SYNCHRONIZATION/ GENERATOR PROTECTION WORK SEQUENCES:

3. Industrial Internship Project

SFC / SEE :

Grid Circuit Breaker1. Start-Up Frequency

Converter

2. Static Excitation

Equipment

3. Industrial Internship Project

START-UP FREQUENCY CONVERTER (SFC)

Function: Assist generator to accelerate the gas turbine set up to its operating speed. (3000 rpm)

Electrical auxiliary supply provide start-up energy from the grid.

Electrical generator operate as synchronous motor.

The converter shut down at 70% of the rated speed, gas turbine operates on its own. (2100 rpm)

3. Industrial Internship Project

STATIC EXCITATION EQUIPMENT (SEE)

Function: provides controlled DC-current and DC-voltage to the generator rotor winding in order to control the output voltage to the grid.

Generation of the magnetic field in rotor

Control of generator voltages to be according to set value during synchronization with the grid.

3. Industrial Internship Project

CHANGEOVER DEVICES

3. Industrial Internship Project

SFC/SEE RETROFIT WORK SEQUENCES

3. Industrial Internship Project

SFC/SEE RETROFIT WORK SEQUENCES:

All existing power, signal and

control cables are identified and

disconnected from the cabinet.

1.

3.

The brick wall at turbine hall

behind the PCC removable wall will

be broken and hacked.

2.

4. The new SFC/SEE panels are

transferred onto the turbine walking

platform by forklift and located

inside the PCC

All power, signal and control

cables are terminated according to

the interconnection diagrams.

3. Industrial Internship Project

SFC/SEE RETROFIT WORK SEQUENCES:

Removed wall beside generator

3. Industrial Internship Project

SFC/SEE RETROFIT WORK SEQUENCES:

Hacked wall in front of the generator

3. Industrial Internship Project

SFC/SEE RETROFIT WORK SEQUENCES:

3. Industrial Internship Project

SFC/SEE RETROFIT WORK SEQUENCES:

3. Industrial Internship Project

SFC/SEE RETROFIT WORK SEQUENCES:

Finding

There are cables with no tagging.

3. Industrial Internship Project

COLD & HOT COMMISSIONING:

1. Try to operate the gas turbine with No-Load & Full-Load test.

2. Combustion in combustion chamber is tested using fuel gas and fuel oil.

3. There are troubleshooting process done before the turbine can reach its

operating speed (3000 rpm).

3. Industrial Internship Project

COLD & HOT COMMISSIONING:

Second Firing First Firing

1. First firing: the speed of the gas turbine is increasing very slow, there is a time limit where the SFC will be off and the gas turbine trip automatically.

3. Industrial Internship Project

COLD & HOT COMMISSIONING:

3. Industrial Internship Project

COLD & HOT COMMISSIONING:

Second Firing

1. No-Load Test: The isolator of generator circuit breaker is in open condition.

2. Full-Load Test: The isolator is closed and the generator circuit breaker is

synchronized and connected to the grid.

3. Industrial Internship Project

HSE PRACTICE:

3. Industrial Internship Project

CONCLUSION:

1. The project is almost accomplish where the commissioning phase is now

towards the end.

2. The individual objectives are almost achievable :

Familiarized with the basic concept of power plant operation.

Learn about the theory and electrical design of Synchronization / Generator

Protection.

Learn about the basic theory of start-up and excitation system of a gas turbine.

Experience and assist the erection & commissioning works at site.

Implement Health, Safety and Environment (HSE) practices in the workplace.

3. Recommendation

Siemens:

More hands on task and training activities in the office and also at the project site.

UTP:

Provide a better and practical way of delivering the responsibility of the host company supervisor. (Ex: Briefing by UTP supervisor during 1st visit about the guideline – Internship Guideline 9.1.1)

Project:

Better enforcement of HSE practice at site.Prepare more power plant spare part in case of any emergency.

3. Exposures

Thank you

3. Q& A Session

Q & A