Cathodic Protection
Powerstax has teamed up with rectifier / transformer specialist DP Energy Services Ltd (ex Drake Power Systems) to provide a complete, professional and competitive, sales, service of AC-DC power supply systems and transformers to customer specifications.
Powerstax, together with DP will design, develop and manufacture Value-Added and Custom Power Solutions to meet your exact needs - whatever your application.From Technical and Design Support with the customer, to In-House Development and On-Site Production and Test.
CATHODIC PROTECTION TRANSFORMER RECTIFIERS

Powerstax & DP - providing power solutions Cathodic Protection
Why Powerstax / DP?
Using Cathodic Protection Transformer / Rectifiers (T/R’s) from Powerstax and DP Energy Services Ltd offers a number of advantages.
We have gained a reputation for manufacturing robust, high quality products, you can be rest assured that your installation will be adequately protected from the environment.
The unit will operate reliably, require minimal maintenance and is protected against spurious tripping out.
Powerstax and DP can offer full technical back-up, from design to after sales service. This leaflet should provide a good overview of the equipment we can supply.
Please contact our Powerstax Sales Department for technical advice and prices.
Powerstax Typical Applications

Cathodic Protection Solution from Powerstax and DP Power
Onshore pipelines, concrete rebar protection, storage tanks, underground structures, offshore structures, ships, jetties, loading bays and outfalls.
Electrical Input
All single and three phase input voltages can be specified. Frequencies 50 or 60 Hz.
Electrical Output
T/R’s are built to provide whatever output is required. Where structures can be more efficiently protected with multiple T/R’s we will be pleased to advise on the most economic unit ratings.
Standard Specification
Mounting
Free standing, plinth, wall or pole.
Weather Protection
Air cooled – up to IP65.
Oil cooled – up to IP66.
Sun shields where specified.
Transformers
Transformers are manufactured and routinely tested in accordance with BS171 (IEC76). A safety earth screen is provided between the primary and secondary windings.
Rectifiers
Three basic methods of rectification are used, silicon diode, thyristor and switch mode. Clients may specify their preferred method of rectification, or, leave the choice to us in which case we will select the most cost effective option.
Meters

Route for Selection Guide
Moving coil meters to BS89 class 1.5 are fitted as standard. On request, other types of meter can be fitted including hermetically sealed, dual range and digital types.
The Information required for quotation
1. Specification compliance requirements (if any)
2. Mounting option
3. Control option – see guide
4. Rectifier preference (if any)
5. Special meters (if any)
6. Quantity
7. Application
8. Location – indoor or outdoor
9. Input voltage
10. Output current and voltage
11. Air or Oil Cooled
12. Ambient working temperature
13. Weather protection / IP rating