METRO POWERCore Electrical SupplyPlan a project ↗
Metal-clad switchgear line-up with breaker compartments and a control panel, lit from the upper left on a dark floor
Substation switchgear line-upProduct image, AI-lit from manufacturer photograph, not an installation

Core Electrical Supply

Build the dependable electrical foundation around every system.

Metering accessories, instrument transformers, distribution equipment and substation-support hardware coordinated to the approved project requirement.

Discuss this solution Follow the supply chain Check what you need to start
Your first project questionWhat must the equipment enable?You do not need a final equipment list yet. Start with the approved design and system duty, then the guided workspace will show what evidence to gather.← Explore all Metro Power solutions
Oil-immersed distribution transformer, lit from the upper left on a dark floor
Distribution transformer.

Understand the system

Understanding Core Electrical Supply

Core electrical supply covers the equipment that connects, protects, transforms and houses utility and customer electrical systems. Product selection must follow ratings, system studies, utility standards, installation conditions, approved drawings and the controlling bill of quantities.

The opening problem

A complete equipment list can still become an incomplete system.

Ratings, interfaces, protection, documents and delivery sequence have to agree before any item is released.

One coordinated supply chainTransform. Protect. Measure. Deliver with evidence.
  1. Distribution transformer, product photograph
    DISTRIBUTION TRANSFORMER · Product photograph
    01 / TransformSet the usable voltage and capacity
  2. Substation switchgear line-up, product photograph
    SUBSTATION SWITCHGEAR · Product photograph
    02 / Protect and switchCoordinate interruption, isolation and control
  3. Current and potential transformers, product image
    INSTRUMENT TRANSFORMERS · Product image
    03 / Measure and protectMatch ratio, class, burden and insulation

Product photographs on an original system drawing / Not a project installation

Control Approved design and bill of quantitiesVerify Ratings, standards and interfacesRelease Drawings, tests and delivery sequence

From drawing to site

Equipment that arrives as it was approved.

The single line shows what each item must do in the system. The steps beneath it show how the item reaches site in the approved configuration: submittal, production, factory tests, packing, transport, receiving and preservation. Each step rests on the record of the one before.

Reading note

Specific inspection and preservation requirements depend on equipment, contract and manufacturer instructions.

Study delivery and installation in the Academy

CORE ELECTRICAL VALUE · TWO PERSPECTIVES

Equipment that fits the design. Delivery that supports the site.

Electrical supply creates project value when ratings, interfaces, documentation and delivery sequence remain tied to the approved design and actual site conditions.

Choose your viewSee the benefits that matter to your role.

01FOR THE PROJECT, ENGINEERING OR SITE TEAM

  1. 01

    Design-aligned equipment

    Ratings and duties can be checked against the controlled single-line, load data and specification.

    What makes it trueRequires approved design inputs and disciplined revision control.
  2. 02

    Clearer interface coordination

    Accessories, protection, terminations and equipment boundaries can be reviewed as one system.

    What makes it trueRequires complete scope, drawings and responsibility boundaries.
  3. 03

    Evidence-led release

    Drawings, tests, certificates and deviations can be closed before shipment or installation.

    What makes it trueRequires named technical and commercial approval authority.
  4. 04

    Sequence-aware delivery

    Receiving and installation can be planned around site access, storage and construction priorities.

    What makes it trueRequires a current schedule and accountable delivery plan.

02FOR THE OWNER, OCCUPANT OR OPERATING TEAM

  1. 01

    Infrastructure suited to its duty

    Equipment can be selected around actual load, environment and operating requirements.

    What makes it trueSuitability depends on approved engineering and site verification.
  2. 02

    More predictable project handover

    A controlled document and test package can support commissioning and future maintenance.

    What makes it trueRequires complete closeout records and accepted test evidence.
  3. 03

    Reduced avoidable rework exposure

    Early interface checks can surface mismatches before equipment reaches the installation point.

    What makes it trueRequires coordination across design, procurement and site teams.
  4. 04

    Clearer lifecycle responsibility

    Warranty, maintenance and operating ownership can be established before energization.

    What makes it trueResponsibilities depend on the final contract and approved handover plan.
Important context

A bill of quantities does not prove electrical fit. Approved design data, exact equipment configuration, interfaces, tests, documents and delivery conditions remain controlling.

Learn the system in Metro Power Academy

System architecture

See the system move.

Follow the journey from physical equipment to the decision a customer or operator can act on.

  1. 01 · System layer

    Capture

    The approved single-line and load establish system ratings and duty.

  2. Current and potential transformers, product image
    02 · Product image

    Connect

    Transformers and instrument transformers adapt voltage and current for delivery, protection and measurement.

  3. Substation switchgear line-up, product photograph
    03 · Product photograph

    Understand

    Switching, protection, conductors and enclosures control and contain electrical energy.

  4. 04 · System layer

    Act

    Inspection, testing, documentation and commissioning establish readiness for service.

INTERACTIVE SYSTEM VIEW

Electrical equipment delivery architecture

Every item must fit the approved electrical design, interfaces and delivery sequence.

OPERATING SIMULATION · ILLUSTRATIVESELECT PLAY TO TRACE THE SYSTEM
APPROVED DESIGNPHYSICAL INPUT
Substation switchgear line-up, product photograph02RATED EQUIPMENTCONTROL POINT 1
TESTS + DOCUMENTSCONTROL POINT 2
04ENERGIZED SITEOPERATING OUTCOME
REV 02 APPROVEDRATINGS CHECKED · RELEASED TO SITE
Physical energy or flow Measurement and data Controlled responseConceptual model, not an installed project. Product photographs and product images show the equipment types supplied; actual architecture and values depend on project design.
STAGE 01 · Control

Approved design

The approved single-line, specifications and bill of quantities are the controlling basis for compatible equipment supply.

  • 01Single-line diagram
  • 02Bill of quantities (BOQ)
  • 03Specifications
System progress
1 / 6
Select a stage Follow the moving system path Review what must happen there

Field realitybecomesOperational action

Switchgear line-up, product photograph
PRODUCT PHOTOGRAPH · SWITCHGEAR

System to real world

See what changes when the architecture begins operating.

  1. 01
    Engineer

    Ratings come from approved design

  2. 02
    Deliver

    Equipment arrives in installation sequence

  3. 03
    Energize

    Tests and handover establish service readiness

This visual explains system behavior. Final performance depends on approved design, field conditions, configuration and operating discipline.

Metro Power visual explainer

Watch the operating idea take shape.

Use this short film as orientation, then continue into the system architecture, technical lesson or readiness action.

Electrical supply · Film 19 of 35 · 0:49

Approved design to energization

Keep ratings, interfaces, documents, inspection and commissioning aligned with the approved design.

The Metro Power solution

Technology, made deployable here.

We close the gaps between the manufacturer’s product, Philippine site conditions and the people who must operate the system.

  1. 01Requirement and bill-of-quantities review
  2. 02Rating and interface confirmation
  3. 03Approved-source and document-status check
  4. 04Delivery sequencing and site coordination
  5. 05Receiving, inspection and closeout support
  1. Distribution transformer, product photograph
    The manufacturer’s productPublished ratings, documents and factory tests
  2. Matched to the siteRatings, frequency, climate and approvals checked against the published product
  3. Philippine site conditions60 Hz service, fault level, climate and approvals
  4. Prepared to operateDelivery, commissioning and permits coordinated, and the operating team trained
  5. The team that operates itHandover records, training and continuing support
Drawing, not to scale

Metro Power closes the two gaps marked on the line.

Complete decision path

From first question to accepted operation.

A solution is complete only when technical behavior, project evidence and operating ownership remain connected.

  1. 01 · Control

    Which approved design and revision governs?

    Single-line diagram (SLD), BOQ, specifications, studies and transmittal status

  2. 02 · Coordinate

    Do ratings and physical, electrical and control interfaces agree?

    Technical schedules, drawings and responsibility matrix

  3. 03 · Release

    Is production supported by approved documents and tests?

    Deviation closure, inspection and test plan (ITP), drawings and factory acceptance test (FAT) plan

  4. 04 · Energize

    Has the installed system been tested and handed over?

    Receiving, site acceptance test (SAT), settings, as-builts, training and spares

Failure modes to control

  • BOQ-only comparison

    Compare ratings, interfaces, accessories, standards and exclusions.

  • Superseded document

    Use an approval and revision register at every release gate.

  • FAT treated as final acceptance

    Complete site, functional and integrated commissioning evidence.

Acceptance evidence

  1. 01Approved design basis
  2. 02Package interface control
  3. 03Factory and delivery evidence
  4. 04Installation and site tests
  5. 05As-built and operating handover

Possible equipment paths

See what may fit, then verify it.

These are starting points for discussion, not automatic recommendations. Use the plain-language clues below to understand where each option may fit and what Metro Power still needs to confirm.

  1. 1Recognize the possible useCheck whether it sounds like your site or operating need.
  2. 2See what is knownThe evidence label tells you how mature the available information is.
  3. 3Open the next checkWe explain the project details needed before selection.
What this evidence means
Project details needed
The correct equipment depends on your approved drawings, ratings and installation conditions.
Engineering review needed
Metro Power must review project information before identifying a suitable configuration.
Project-configured
01

Meter bases and enclosures

Project-configured

Evidence: Project details neededProduct reference image

May supportProject electrical distribution, protection or metering infrastructure

Service equipment matched to meter form, conductor, sealing and installation conditions.

First details to review
  • Meter-form compatibility
  • Indoor or outdoor requirement
See what we know and need next

3 more Core Electrical Supply products

CT / PT applications
02

Instrument transformers

CT / PT applications

Evidence: Project details neededProduct reference image

May supportProject electrical distribution, protection or metering infrastructure

Current transformer (CT) and potential transformer (PT) interfaces for measurement and protection, selected against ratio, burden, accuracy and insulation requirements.

First details to review
  • Ratio and system-voltage review
  • Metering or protection class
See what we know and need next
Project-configured
03

Distribution transformers

Project-configured

Evidence: Engineering review neededProduct reference image

May supportProject electrical distribution, protection or metering infrastructure

Distribution transformers selected from validated load, voltage, vector group, impedance and installation data.

First details to review
  • Capacity and voltage ratio
  • Phase and vector group
See what we know and need next
Project-configured
04

Substation equipment

Project-configured

Evidence: Engineering review neededProduct reference image

May supportProject electrical distribution, protection or metering infrastructure

Switching, protection and supporting equipment coordinated from approved design information.

First details to review
  • System and fault ratings
  • Protection interface
See what we know and need next
Search and compare the complete Metro Power portfolio

Brands, ratings, standards, test requirements and supply scope are released only after review of the current approved project documents.

Turn learning into a decision

What your team should be able to decide next.

Move from a bill of quantities to equipment that is electrically correct, documented and sequenced for site delivery.

  1. 01Project owner

    What must the equipment enable?

    The approved design, project phase, schedule and acceptance responsibility define the supply outcome.

    Confirm scope and interfaces

  2. 02Engineering

    Are ratings and duties correct?

    Voltage, load, fault level, insulation, environment, protection and interfaces must come from controlled design data.

    Submit approved drawings

  3. 03Procurement

    Is the supply comparable and complete?

    Control brands, standards, included accessories, tests, documents, exclusions and delivery terms.

    Review the controlled BOQ

  4. 04Site team

    Will delivery support installation?

    Sequence, access, receiving, storage, inspection, commissioning and closeout must be planned before dispatch.

    Build the delivery plan

Where it may fit

Does one of these sound like your need?

You do not need to choose equipment yet. If one of these situations sounds familiar, Metro Power can help define the correct starting point.

  • Electric-cooperative projects
  • New service and expansion
  • Metering installations
  • Distribution upgrades
  • Commercial and industrial facilities
  • Substation support

Prepare without the guesswork

Bring what you have. We’ll help with what is missing.

These inputs help us understand the project. They are not entry requirements, and you do not need every item before contacting us.

  1. 01

    Approved single-line diagram

    The single-line diagram shows how equipment connects and which ratings and interfaces govern selection.

  2. 02

    System voltage and fault level

    Voltage and fault level are fundamental safety and equipment-duty inputs.

  3. 03

    Load and duty requirements

    Actual load and operating duty determine capacity, thermal performance and service expectations.

  4. 04

    Equipment ratings and standards

    Ratings and standards define the technical boundaries for a responsible comparison.

  5. 05

    Site and environmental conditions

    Indoor, outdoor, heat, moisture, altitude, access and space can change the required construction.

  6. 06

    Bill of quantities (BOQ), drawings and delivery sequence

    The current document set and required sequence control scope, interfaces and delivery timing.

Guided next stepBuild my starter checklistAnswer one question at a time. Your progress is saved on this device.

Your next decision

Do you have the current design and equipment ratings?

Ratings, interfaces, tests and delivery sequence come from controlled project information. Share the latest drawing or requirement you have, and Metro Power can identify the next check before a supply recommendation.

Review an electrical requirement