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Automated cathodic protection (CP) station «ENERGOMERA»
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V-OPE-M2 |
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| TU 3415-004-22136119-2002 |
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Automatic stabilization and maintenance of protection current and potential at the preset level. Output voltage ripple factor is not more than 3%. Intermittent operating mode for polarization potential measurement.
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- Compliance with the GOST R 51164-98 «Main steel pipelines. General requirements to corrosion protection».
- Compliance with the GOST 9.602-89 «Underground constructions. General requirements to corrosion protection».
- CP station V-OPE-M2 has Certificate of compliance with State Standard Committee of Russia N ROSS.RU.AJu11.N00204, issued by Organization on certification «VNIIGAZ-CERTIFICATE».
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Enterprises of different activity types having metal substructures: cross-country pipelines (gas lines, oil-pipe lines, product pipes and other pipe lines for different purpose), public utility, storage-tanks and other analogous facilities, located in different soils including soils with high agressivity and zones of rail-tracked electric transport sneak current influence.
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- CP stations have IP34 degree of protection (against contact with current-carrying parts and against environmental attacks), and build-in electronic units IP44 (according to the GOST 14254-96).
- CP stations can be linked up to different telemechanic systems for remote control of:
- values of measured difference of potential, output voltage, output current;
- storage consumed electric energy metering;
- remote mounting of protection potential (in automatic mode of protection potential upkeep - «AUT»);
- remote mounting of protection current ( in auutometic mode of protection current regulation - «CURRENT»);
- remote mounting of rectifier output voltage (in manual mode of output voltage mounting - «MANUAL»);
- unauthorized access inside rectifier;
- remote protection current interruption.
- The rectifier is adapted to the main teleautomatic systems that are applied at JSC «GASPROM», JSC SC «TRANSOIL», JSC SC «TRANSOILPRODUCT» industries, regional gas-distribution organizations (GDO): «UNK-TM», «Magistral2», «STN-3000», «SupeRTU4», «SKAT», «ELSI-2000», «TELUR».
- Intermittent operating mode for polarization potential measurement. Current presence and current break ratio: 4/1; 8/2; 12/3; 5/0,4 seconds.
- Additional meter of operation time indicating time of energization and manual-on position of CP station.
- Steady operation in different climatic zones with ambient temperature range: from -45°C up to +45°C.
- High protection against mechanical damage. Steel housing thickness - 2 mm.
- Corrosion-resistant powder spraying of housing.
- Special design of locks, providing close fitting of external door and protection from unauthorized access.
- Expansion of useful operating life up to 100000 hours, and service life - till 20 years.
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The rectifier is delivered together with copper-copper sulfate comparison electrode «ENERGOMERA» ESN-MS2, TOR 4218-005-22136119-2000 – 1 piece.
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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, and operation at mains supply voltage variation within 150V - 250V;
- Automatic return to a present mode when energized after power supply failures;
- Circulating current drainage from the protected metalware to the anodic grounding electrode at the absence of mains supply voltage;
- Steady operation during load droppings and surges;
- Effective overload and short circuit protection of load circuits;
- Effective lightning surge protection of load and supply voltage inlets;
- Possible increasing of output voltage up to 2Unom at current 0,5Inom;
- Possible decreasing of output voltage up to 0,5Unom at current Inom;
- Metering of time of protection potential presence at the protected metalware (if protection potential value is no less than the present one);
- Low power consumption due to high energy data and accumulating electric energy metering by a build-in meter;
- Low level of radio noise conforming to the requirements of the GOST R 51522-99 (IEC 61326-1-97)
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- Automatic maintenance of protection potential at the preset level, within the limits from -0,5V up to -3,5V;
- Automatic stabilization and maintenance of protection current at the preset level;
- Manual control of output voltage;
- Interrupted mode of preset output current course;
- Unstabilized rectifier mode (emergency).
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