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Scope of Services
West Lake Power Ltd. provides quality, efficient and reliable service in the substation engineering
area for the power utility companies and industrial plants.
1. MV and HV substation design service
- 1.1 Provide conceptual engineering service on options, option comparison with cost justification; Single line diagram generation; Identify project risks and challenges
1.2 Conduct AC/DC load study, cable selection and voltage dropping calculation, grounding grid study, equipment specification, bill of material (BoM) generation
1.3 Prepare the detailed design package including AC control single line, DC logic diagrams, DC & AC Station Service distribution, AC & DC Schematic, wiring diagrams and cable tables, panel layout & cutout diagrams, control building layout, etc.
1.4 Create interfacing diagrams among P&C, Telecom, SCADA, between the substation / plant with adjacent interconnection entity
1.5 Provide Construction Plan from designers’ perspective for guiding the construction and installation; Create Commissioning and Testing Plan; Support field construction and commissioning
1.6 Evaluate, review field proposed changes; incorporate and digest field changes onto the AsRecorded (AsBuilt) design; approve AsRecorded field drawings
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2. Maintenance engineering service
- 2.1 Support on troubleshooting of substation equipment failure and protection mis-operation; provide engineering service for short-term mitigation and replacement
2.2 Substation major equipment general specification and detailed rating specification study, model selection, standardization, and procurement support
2.3 Root cause analysis on substation equipment and protection failure; trending data analysis and long term solution proposal
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3. Substation drawing drafting service
- 3.1 For project designs, provide real-time drafting support to variety of stages in active projects.
3.2 For Asset Management, draft, check and approve all field returned AsRecorded drawings.
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4. P&C relay setting service
- 4.1 Design detailed relay settings for protecting power transmission lines, distribution feeders, power transformers, phase shifting transformers, shunt reactors, capacitor banks, busses, breakers (failure and control), reclosers
4.2 Provide overall P&C protection scheme consultation with expert’s insight in formal reports; estimate of P&C implementation cost; scheme selection based on analysis of protection reliability (dependability and security), redundancy, speed and selectivity; coordination study, check and documentation
4.3 P&C standard development at philosophy level, and at relay / device level (e.g. selecting, screening and applying a new relay, converting the new application into a template or standard)
4.4 Compliance preparation and strategy consulting on reliability & coordination standards
4.5 Short circuit modeling of new power system elements; fault level calculation; Fault clearing time analysis and “budgeting”; detailed DC Logic Diagram illustrating the logics between inputs and outputs of relays
4.6 Formal reports (in format of MathCad) documenting engineering calculation, considerations, formula, algorithms, assumptions, justifications
4.7 Preparation and issuance of vendor proprietary settings files directly downloadable to relays; real-time support to field construction, commissioning & testing; evaluate testing results to ensure validity of settings
4.8 As_Built engineering: Engineering justification for field modifications; prepare and submit As_Recorded (aka As_Built) setting files and reports for permanent project documentation purpose; As_Built “hardware” design modifications as well (if required)
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