Case Studies
Portable DI Water Cooling for Linear Accelerator Cryogenic Module Test Stand
Client: European Spallation Source (ESS), Sweden Cooling Power: 0.8 kW (800 W) Temperature Range: Holding at 30°C ±0.5°C Conductivity: ≤ 0.5 µS/cm Dissolved Oxygen: <= 50 ppb System Capacity: Multiple inlet/outlets; portable skid Interesting
Particle Accelerator DI Cooling – Skid‑Mounted System
Client: CERN Cooling Power: 140 kW Temperature Range: 15–25°C with ±1°C tolerance Conductivity: < 0.2 µS/cm Dissolved Oxygen: < 50 ppb via membrane degassing System Capacity: Skid‑mounted polishing/pumping loop with precision control and oxygen management
STATCOM / HVDC Thyristor Cooling – Dual Redundant DI Systems
Client: New‑build power station (South Korea) Cooling Power: 2 × 1300 kW (redundant) coupled pump/treatment and expansion skids paired with stainless steel air blast dry coolers Temperature Range: Ambient -20°C to +50°C Conductivity:
Thermally‑Cycled DI Water System for High‑Current Cable Ageing
Client: Alstom (for two UK high‑voltage cable manufacturers) Cooling Power: 66 kW Temperature Range: +10°C to +85°C with ±0.1 K tolerance Conductivity: DI quality maintained via mixed‑bed polishing resin (≤1 µS/cm typical; lower when required)
Active Fault De‑coupler (AFD) – Outdoor Pure‑Water Cooling
Client: National Grid (UK) Cooling Power: 240 kW Temperature Range: −25°C to +35°C ambient operation Conductivity: < 1.0 µS/cm Dissolved Oxygen: Low ppb design basis to minimise corrosion System Components: Two pure‑water systems