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Voltage converter for cathodic protection with intermediate frequency conversion «ENERGOMERA»
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PNKZ-PPCH-M10 |
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Effective protection against electrochemical (soil) corrosion of underground metalware, supply and distribution pipelines, oil store, mounting armature and other similar objects in conditions of corrosive soil and ground currents attacks.
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- Complies with GOST R 51164-98 and GOST 9.602-89
- The transformer is certified by the Certification Body «ASRIGAS (All-Russian Scientific Research Institute of GAS Industry) –
CERTIFICATE». Conformity Certificate N ÐÎÑÑ.RU.ÀÞ11.Í00343
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Oil, gas, chemistry, energy and other industrial complexes that have not cross-country pipeline network (gas lines, oil-pipe lines, product pipes and other), storage-tanks, other metal substructures.
Public utilities maintaining urban area communications (pipelines, power supply and informing cables with metal sheath, etc.).
Electrified railroads administration offices, underground and tramway municipal services.
Various organizations having underground metal communications and constructions in the soils with high corrosion activity.
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- High accuracy of protection potential maintenance - up to ±0,5% and protection current maintenance - up to ±1% (in automatic operating mode);
- Set electric parameters at supply mains voltage variation from 176V to 242V;
- Smooth shifting to the set values of the output voltage and load current when energized, also after power supply failures;
- Load current pulse number is less than 3%;
- Output voltage, load current and protection potential measurement by the built-in devices;
- Exploitation time metering;
- Load current limitation at overload and short circuit in the load circuits;
- Lengthy failure-free operation in the off-load mode, at the breakdown of the cable leading to the construction or anodic grounding;
- Steady operation during load-off and load-on;
- Steady operation at load resistance changes from 0,2 up to 5,0 of the nominal value (25 times!);
- Possibility of prompt switching to the mode double nominal voltage (2Unom) at half load current (0,5 Inom);
- Low power consumption due to high energy data;
- Low level of radio noise conforming to the requirements of GOST R 51522-99
(IEC 61326-1-97).
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- Transformer provides the possibility of day-to-day operation without preventative maintenance and repair for not less than 6 months.
- Is delivered together with copper-copper sulfate comparison electrode «ENERGOMERA» ESN-ÌS2 (TOR 4218-005-22136119-2000).
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- Automatic maintenance of protection potential at the preset level, within the limits from -0,5V up to -3,5V (when the potential sensor is connected, for example copper-sulphate durable reference electrode);
- Automatic stabilization and maintenance of protection current at the preset level;
- Manual setting of output voltage;
- Cyclic interruption of load current by external control signal from telemechanic systems for polarization potential measurement.
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