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Electrical System Studies

Using ETAP, SKM and XGSLab software for:

Arc Flash Study (IEEE 1584)
Fault Current Analysis
(as per IEC60909)
Protective Device Coordination Analysis
Load Flow Analysis
Cable Ampacity Calculation and Voltage Drop Calculation
Ground Grid Design
Harmonic Load Flow Analysis
Motor Starting Analysis
Optimal Power Flow Analysis
Optimal Capacitor Placement Analysis
Reliability Assessment Analysis

Testing and Maintenance

We provide testing and maintenance:

For switchgear:

Secondary injection test for protection relays
Contact resistance measurement
Partial discharge measurement
Primary injection test for CT
Applied voltage withstand test

For transformer:

Turns ratio and vector group measurement
Winding resistance measurement
Dissipation factor measurement
Sweep frequency response analysis
Dielectric frequency response analysis
Applied voltage withstand test
Induced voltage withstand test
On site DGA of transformer oil
Partial discharge measurement

For cable:

Voltage withstand test using AC VLF and AC 50 hertz test source
Monitored voltage withstand using AC VLF and AC 50 hertz test source
Dissipation factor measurement
Partial discharge measurement

Consultancy

Application for electricity connection to the local grid company, SPPG
Consultancy and project management
Engineering, procurement and construction for upgrading of Switchgear / Transformer / Cables

Electrical Licensing

We provide licensing service for the regulatory compliance
to the Electricity Act and its associated Electricity Regulations.

These range from small installations of 400 volts to large
installations of 400,000 volts.

Our reference list includes:

ExxonMobil, Micron at 230,000 volts
AUO, ExxonMobil, Keppel Seghers, Singtel DCW, SingSpring desalination, TPC, UMC at 66,000 volts
Applied Material, Ascendas, Chevron, Capitaland, Sumitomo Chemical, Singapore Refining Company, Sembcorp, etc at 22,000 volts

Training

ON Engineers provides a licensed electrical worker (LEW)
preparatory course.

It is to share experience and knowledge to enable the attendees
to be better prepared in attaining the LEW qualification from
EMA (Energy Market Authority) of Singapore.

The course is made up of 7 modules.

Module 1
Introduction
Module 2
Overview of electrical licensing
Module 3
Electrical hazards and safety practice
Module 4
Overview of SS 638, Code of practice for electrical installation
Module 5
Other mandatory code of practice for generators and temporary supply
Module 6
Electrical testing and inspection
Module 7
Design requirements for 400 volts switchboard
LEW Q&A Session

Other Services

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Electrical System Studies

Testing and Maintenance

Consultancy

Electrical Licensing

Training

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