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TNB Research Sdn. Bhd. (TNBR) was established as a department in Tenaga Nasional Berhad (TNB), and evolved into a subsidiary in 1993. It is a non-profit centre for electricity and environmental research. In 1997, TNBR received the status of R&D company from MIDA and became eligible for many government incentives. Today, TNBR is focused on conducting R&D that adds value and is aligned to TNB corporate needs as well as national aspirations.

In April 2012, TNBR established its wholly owned subsidiary TNBR Quality Assurance and Testing Services (TNBR QATS) with the mission to leverage on the laboratory and technical services business

No. 1, Jalan Ayer Itam,

Kawasan Institusi Penyelidikan,

43000 Kajang, Selangor,

Malaysia.

TNBR QATS

tnbr-qats@tnb.com.my

+603 - 8922 5000

DISTRIBUTION

NETWORK

POWER

GENERATIONTRANSMISSION

NETWORKINDUSTRIAL

COMMERCIALRESIDENTIAL

Hydro Station

Thermal Station

Substation Substation

Underground Cables

Overhead Lines

Cable Joints

National Grid

Control Centre

EmissionsEfficiency

TNBR is involved in the entire power delivery chain, providing R&D result and solutions directly at site, where it matters.

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Strongly supported by more than 30 Quality Assurance Inspectors (QAI) who are equipped with extensive experience in conducting inspections and audits in Malaysia and abroad.

AT A GLANCE

RANGE OF SERVICES

We has been performing product inspection, product certification and quality system audits on TNB suppliers for over a decade. The team is well-equipped to conduct up to 20 inspections per day. Our Quality Assurance Inspectors (QAI) are required to pass the International Register of Certificated Auditors’ (IRCA) ISO 9001 Lead Auditor Course. The Unit also has QAIs who possess the Certified Quality Auditor (CQA) from American Society for Quality (ASQ).

In addition, the team is regularly trained by trainers from reputable laboratories such as the Central Power Research Institute (CPRI) in India and the Centro Elettrotecnico Sperimentale Italiano (CESI) in Italy.

We have undertaken several international audit assignments on various products and multiple sites such as Siemens (Germany,UK), ABB (Sweeden, Finland, India, Germany), Areva (Brazil, France, UK), Toshiba (Japan), NHGK (Japan), and NARI (China)

We have successfully completed over 250 cases, covering both electrical and mechanical failures. We conduct professional training and provide consultancy to local authorization bodies such as Department of Occupational Safety and Health (DOSH), Fire and Rescue Department of Malaysia, etc.

MOHD NIZAM BIN MOHD KOMARI

Head of Quality Assurance

Product Inspection & Quality Audit Providing World-Class Services

TNBR QATS

tnbr-qats@tnb.com.my

+603 - 8922 5000

Product Inspection

Product Certification, Training and Consultancy

Quality Audit

SERVICE OFFERINGS

PRODUCT INSPECTION ON :

High voltage and medium voltage o Transformers o Switchgears o Power cables o Control Systems

Low voltage o Overhead and Cable Accessories

ISO 9001 QUALITY AUDIT

Product Audit - An audit that focuses on a product to determine whether it meets the specification

Process Audit – An audit that focuses on process and not on specific product

System Audit – An audit that focuses on the company’s procedures

WHO NEEDS THESE SERVICES? Parties who want to conduct supplier or vendor surveys, pre-award surveys, assessment audits, appraisals, compliance and quality reviews. All services will be tailored according to your needs.

Accredited with MS ISO/IEC 17020 for the inspection of:-

Switchgears up to 33kV(IEC62271)

Power Transformers up to 33kV (IEC 60076)

Power Cables up to 33kV (IEC 60502, 60228)

Street Lighting and Components (IEC 60598, 60662, 61437, 60927, BS 5972)

Spun Concrete Poles (JIS A 5309)

“Let Us Be Your Preferred Solution Partner”

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Forensic Engineering Group (FEG), backed by years of field experience and multidisciplinary expertise support, is now the core service provider under the management of TNBR QATS.

AT A GLANCE

RANGE OF SERVICES

FEG consists by a group of well-trained and dynamic investigators under the technical leadership of experience professional engineers. We are also equipped with advanced testing & workshop facilities. Our competencies are well recognized in power utility industries. Our achievement is proven with several success stories in solving high impact cases which involve insurance claim, arbitration/litigation.

We have successfully completed over 380 cases, covering both electrical and mechanical failures.

MUHAMAD LUTFI BIN IBRAHIM

Head of Technical Services

Forensic Engineering Group Providing World-Class Services

TNBR QATS

tnbr-qats@tnb.com.my

+603 - 8922 5000

Site examination, witness account statement, data collection, identification & preservation of physical evidence.

Background data analysis, technical photography, teardown examination and sampling for further test.

Microstructure analysis.

Fractographic analysis using scanning electron microscopy to determine fracture modes.

Elemental analysis using Energy Dispersive X-ray method to verify elements of chemical deposits, corrosive agents, and other types of environmental attack products.

Metallurgical analysis to verify conformance to material specifications.

Electrical and Mechanical test, diagnosis and deduction of failure modes.

Simulation or experimental study.

Troubleshooting and root cause analysis.

SERVICES OFFERINGS

MECHANICAL FAILURE ANALYSIS

Pressure vessels and boilers

Steam piping and valves

Pumps

Turbine bearings

Gears

Transmission towers ELECTRICAL FAILURE ANALYSIS

500kV, 275kV, 132kV, 33kV, 11kV SF6 gas insulated switchgears

33kV and 11kV vacuum circuit breakers

275kV, 132kV, 33kV power transformers

275kV, 132kV, 33kV and 22kV voltage and current transformers

275kV, 132kV, 33kV and 11kV power cables

Tape, heat shrink, cold shrink and premoulded cable joints up to 132V

Overhead lines accessories

Submarine cables

Capacitor banks

Generator rotor

“Let Us Be Your Preferred Solution Partner”

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With more than 20 years of experience in plant condition assessment, Plant Inspection Services Group (PINS) at TNBR QATS is one of the most experienced power plant condition assessment inspection team

in Malaysia.

AT A GLANCE

RANGE OF SERVICES

The Plant Inspection Services Group is a well-qualified team of experts that provide condition assessment services on power plant components

MUHAMAD LUTFI BIN IBRAHIM

Head of Technical Services

Plant Inspection Services Providing World-Class Services

TNBR QATS

tnbr-qats@tnb.com.my

+603 - 8922 5000

Condition Assessment of Boiler Components

Piping Condition Assessment

Non-destructive Inspection Services for Gas Turbines, Steam Turbines and Boiler Components

SERVICE OFFERINGS

NON-DESTRUCTIVE TESTING Ultrasonic Thickness Testing

Magnetic Particle Inspection

Dye Penetrant Testing

Hardness Testing

X-Ray Fluorescent

Positive Materials Identification

Borescope Inspection METALLOGRAPHY & MICROSCOPY

On-site metallographic and replication technique

Metallographic sample preparation

Microstructure examination and analysis

OTHER SERVICE OFFERING

Metallographic Examination

Micro Hardness and Hardness testing (Vickers and Rockwell)

X-Ray Diffraction (XRD)

Mechanical Testing

Creep Testing (IEC 17025 accredited)

Corrosion Testing

Boiler Tube Inspection Robot

INTERNATIONAL COLLOBORATION

Korean Laboratory Engineering System (KLES)

Korea South-East Power Company (KOEN)

“Let Us Be Your Preferred Solution Partner”

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AT A GLANCE RANGE OF SERVICES

The High Voltage Testing Laboratory is established to spearhead quality assurance initiatives and laboratory testing services for TNB and the industry.

Laboratory Testing on MV/HV Equipment: o (Transformer, Cable, Switchgear, Instrument Transformer &

Accessories)

On-site Diagnostic Testing for MV/HV Equipment

MV Cable Type Test – Full Type Test (collaboration with SIRIM QAS)

Insulated Piercing Connector – Routine and Sampling Tests

Street Lighting Components – Routine and Sampling Tests

HV Calibration – Laboratory and Site Calibration

Life Assessment on electrical equipment – transformers, switchgears & cables

Other special HV tests

SERVICE OFFERINGS

LABORATORY TESTING Laboratory Testing

Dry Alternating Voltage Power Frequency Withstand Test (up to 400kV rms)

Dry Full and Chopped Lightning Impulse Voltage Withstand Test (up to 500kV peak)

Dry Switching Impulse Voltage Withstand Test (up to 450kV peak)

Direct Current Voltage Withstand Test (up to 280kV peak)

Partial Discharge Measurement & Fault Location Detection on New Cable up to 100kV

Routine and Sampling Test for Insulated Piercing Connector (IPC) including electrical ageing test

Routine and Sampling Test for Street Lighting Components

ON-SITE HV CALIBRATION

Power Frequency High Voltage Calibration up to 900kV

Impulse Voltage Calibration up to 2500kV

DC Voltage Calibration up to 900kV

HV Meter Calibration

Calibration of Oil BDV Test Set (laboratory calibration)

ON-SITE TESTING FOR TRANSFORMER AND INSTRUMENT TRANSFORMERT

Insulation Resistance Measurement

Winding Resistance Measurement

Turns Ratio Measurement

Dielectric Dissipation Factor/ Tan Delta

Excitation Currents Measurement

Frequency Response Analysis (FRA)

Frequency Dielectric Spectroscopy (FDS)

Polarization Depolarization Current (PDC)

On-line Acoustic Partial Discharge Measurement

Dynamic Winding Resistance Measurement (Tap Changer)

Vibro-acoustic Measurement (Tap Changer)

Leakage Reactance Measurement INSTRUMENT TRANSFORMER

Winding Resistance Measurement

Ratio, Burden and Polarity

Phase and Magnitude Error

Secondary Burden

Magnetization Curve

Dielectric Withstand Voltage

Circuit Continuity

The High Voltage Testing Laboratory (HVTL) at TNBR QATS is an ISO/IEC 17025 accredited laboratory that provides quality testing services for high voltage generation, transmission and distribution

equipment in the electricity supply industry.

High Voltage Testing Laboratory Providing World-Class Services

TNBR QATS

tnbr-qats@tnb.com.my

+603 - 8922 5000

ZULFADHLY BIN ZARDI

Head of Scientific Services

“Let Us Be Your Preferred Solution Partner”

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With more than 20 years of experience, Oil and Fuel Laboratory (OFL) at TNBR QATS is one of the largest and most advanced laboratories of its kind in the country.

AT A GLANCE

RANGE OF SERVICES

We have the lab facilities to perform tests on various oils and insulating materials including:

Mineral insulation

Paper insulation

Cable Oil

Polybuthene Oil

Vegetable Oil

Cable Insulator (XLPE)

Majority of the tests

are accredited to

ISO/IEC 17025

Transformer Oil

Laboratory Testing (Physical, Electrical and Chemical: o Periodic/ Routine (annually maintenance basis) o Site Acceptance Test Requirement o Type Test (New Oil) & Quality Assurance o Investigation

On-Site Oil Testing and Oil Filtration

Technical Consultancy and Training

SERVICE OFFERINGS

TRANSFORMER OIL CHEMICAL PROPERTIES Dissolved Gas Analysis, DGA (ppm)

Acidity Test (mgKOH/g)

Moisture Content (ppm)

Carbon Type Composition of Oil (%)

Oxidation Stability

Polychlorinated Biphenyl, PCBs (ppb)

Furfural Analysis (ppb)

Degree of Polymerization (DP)

Inhibitor Content (%DPBC)

Corrosive Sulphur (Copper and Silver)

Aromatic content

Sludge/ Sediment (%)

Stray Gassing

Density (g/cm3)

Kinematics Viscosity @ 40 or 100⁰C (mm2/s)

Interfacial Tension, IFT* (mN/m@25⁰C)

Metal Passivator (Igramet 39)

Dibenzyl Desulphide (DBDS)

TRANSFORMER OIL ELECTRICAL PROPERTIES

Dielectric Breakdown Voltage (kV)

Dielectric Dissipation Factor (DDF)

Resistivity TRANSFORMER OIL PHYSICAL PROPERTIES

Appearance / Visual

Colour

Particle Count

Flash Point (⁰C)

Pour Point (⁰C OTHER SERVICE OFFERING

Transformer Oil Filtration

Transformer Oil Results Interpretation and Diagnostics

Transformer Oil Management Advisory and Consultancy

Training On Transformer Oil Management, Sampling and Diagnostics

ZULFADHLY BIN ZARDI

Head of Scientific Services

Oil & Fuel Laboratory Providing World-Class Services

TNBR QATS

tnbr-qats@tnb.com.my

+603 - 8922 5000

“Let Us Be Your Preferred Solution Partner”