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Equipment wantedNiche specificationCustom equipmentSpecialist jobsRare partsEngineering services
OPEN BRIEFS0 active · 9 samples
Equipment wantedSample 01

100 MVA Transformer — 132/33 kV

Germany · Before Q3 2028

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Illustrative buyer requirement demonstrating how a verified developer can publish structured demand and compare sealed supplier proposals.

Rated power
100 MVA
Primary voltage
132 kV
Secondary voltage
33 kV
Frequency
50 Hz
Condition
New preferred
Delivery
Germany, before Q3 2028
Demonstration listing—not an active commercial request.
Custom project packageSample 02

100 MW / 200 MWh BESS Package

Spain · Commissioning Q4 2028

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Illustrative project requirement for an integrated battery storage package, including PCS, controls and commissioning scope.

Power
100 MW
Energy
200 MWh
Duration
2 hours
Grid
50 Hz
Scope
Supply + commissioning
Location
Spain
Demonstration listing—not an active commercial request.
Niche specificationSample 03

110 kV XLPE Cable System

Poland · Delivery Q1 2028

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Illustrative structured requirement for a complete high-voltage cable system with accessories and installation supervision.

Voltage
110 kV
Insulation
XLPE
Length
24 km
Accessories
Joints + terminations
Services
Installation supervision
Location
Poland
Demonstration listing—not an active commercial request.
Specialist jobSample 04

Protection commissioning engineer — 220 kV substation

Baltic region · Six-week site window

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Demonstration field-services brief for an experienced protection engineer to test line, busbar and transformer schemes during energisation.

Experience
IEC 61850 and utility protection
Scope
Secondary injection, SAT and energisation
Relays
Multi-vendor numerical protection
Travel
Site rotation required
Demonstration listing—not an active commercial request.
Niche specificationSample 05

36 kV GIS extension rated 63 kA / 3 s

Northern Europe · Shutdown window Q2 2028

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Demonstration request for a high-fault-level GIS extension that must interface with an existing busbar geometry and protection scheme.

Voltage
36 kV
Short-circuit
63 kA for 3 seconds
Configuration
Two feeder bays + bus section
Constraint
Existing busbar interface survey
Demonstration listing—not an active commercial request.
Custom equipmentSample 06

12-pulse rectifier transformer for electrowinning line

Chile · Engineering release in 2027

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Demonstration engineered-equipment brief for a custom transformer with harmonic duty, dual secondary windings and site-specific cooling.

Power
18 MVA
Primary
33 kV
Secondary
Dual phase-shifted windings
Duty
Rectifier load with harmonic study
Demonstration listing—not an active commercial request.
Rare part / sparesSample 07

Legacy breaker operating mechanism for 1988 switchboard

United Kingdom · Outage-critical spare

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Demonstration obsolete-spares search where photographs, dimensions and nameplate evidence matter more than a modern catalogue number.

Asset
Indoor metal-clad switchboard
Era
Late 1980s
Need
Complete spring operating mechanism
Acceptable
New old stock or verified refurbishment
Demonstration listing—not an active commercial request.
Engineering serviceSample 08

Harmonic study and filter design for rolling mill expansion

Türkiye · Study before equipment order

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Demonstration consulting brief covering network modelling, measurement review and mitigation design for a drive-heavy industrial expansion.

Network
33 kV industrial distribution
Loads
Large variable-speed drives
Deliverable
Model, limits review and filter concept
Standard
IEC 61000 / utility limits
Demonstration listing—not an active commercial request.
Equipment wantedSample 09

Mobile 33/11 kV emergency substation package

East Africa · Rapid deployment route

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Demonstration urgent-sourcing brief for a road-mobile transformer and switchgear package that can restore supply during a permanent-substation rebuild.

Rating
20–31.5 MVA
Voltage
33/11 kV
Format
Road-mobile multi-trailer package
Scope
Protection, auxiliaries and commissioning
Demonstration listing—not an active commercial request.
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