Oil Pumps- Check flow indicator and pump isolation valves to ensure oil flow. The assessment is the foundation for a maintenance plan in which the condition and priority of each transformer are decisive for the maintenance frequency and needs. The removed silicon steel sheets are then collected and wrapped in paper to avoid loss and damage to the insulation. The low voltage has no effect on the transformer itself, only reduces some output, but has an impact on the electrical equipment; the voltage increases, the magnetic flux increases, the core is saturated, the core loss increases, and the transformer temperature rises. The main components are the primary coil, the secondary coil, and the iron core (magnetic core). 4021 Alvis Court Our experienced teams perform maintenance services that include: Our crews regularly work weekends and holidays to minimize your downtime. For Sales and Support: In addition, the overload capacity of the transformer should be determined based on the temperature rise of the transformer and the manufacturer's specifications. Due to extreme operating and environmental conditions, leaks do occur at gaskets, fittings, welds and points of physical damage. In addition, the transformer leads should be welded off the terminals, the fixing splint should be removed, and the first silicon steel sheet should be picked up with a screw driver, and then the pliers should be removed. The measurement of the insulation resistance should be carried out at the same temperature as possible, using the same megohmmeter of the voltage. Hence this oil has to be periodically tested to ascertain its basic electrical properties, and make sure it is suitable for further use or if necessary actions need to be implemented, like filtration and regeneration. Director of International Core Business Center at Jinte Company---Focus onAluminum & Copper Strip Coil of Transformer, Zhejiang Jinte New Material Technology Co., Ltd, To view or add a comment, sign in Because we have well-trained technicians located around the country, were able to send service professionals to your location for on-site troubleshooting, testing, maintenance, and repair. The thermometer installed on the transformer should be recorded at the same time when patrolling the transformer.
Care must be taken when removing the silicon steel sheet, not to damage the coil leads, and to avoid breaking and bending the silicon steel sheet. PSS will also retrofit your aging transformers with new ones designed to fit within your existing configuration. 
Oil and nitrogen leaks are a nagging problem found with many power transformers. Some of our services include: Replace fluids (mineral oil, FR3, Luminol). Use a multi-meter to check motor current. 2070 Zwijndrecht - Belgium We are proud to say that our TRIR (total recorded injury rate) in 2020 was 1/100, a key industry indicator. Map To Office. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Oil sampling + analysis (Oil quality, PCB, furan detection, moist level, ), Electrical measurements (Insulation resistance, Winding resistance, Transformer Turn Ratios, SFRA-Sweep Frequency Response Analysis, IDAX- Tg, ), Dehumidifying, degassing and filtering of oil using steamliner (up to 7.000 l/h), Cleaning of contacts and adjusting torque, Maintenance of tank and conservator: corrosion removal, welding of leaks and repainting, Repair of hair cracks and corona traces on cast resintransformers, Changing/repairing of tap changers and insulators. Complete installation service can include oil handling, lead modification (if necessary), vacuum fill (if required) and testing. In addition, for distribution transformers, the load of a certain three-phase should be measured during the maximum load. The transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. Conservator- Indicates oil levels for transformer to ensure that there are no leakages. www.prolec.energy/prolecge/. Our power transformer installation service includes: Transformer oil processing, vacuum filling, heating and circulation. The insulation resistance of the coil shall be measured before the transformer is put into operation after installation or maintenance (usually after drying) and after long-term deactivation. Improve safety and operations with RESAs training programs. Any electrical system or power facility with a transformer must seek regular and reliable large power transformer and substation equipment field service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. BE 0 475 899 519 Our lifecycle management in-service center repair process starts with our logistics team picking up your units for repair at your location to safely transport them to a service center within our national network. Buchholz Relay- check to see if there are any gases found in the Buchholz. Our factory are equipped with a wide variety of winding machines to accommodate the various types of transformer repair we carry out, as well as optimize the delivery time offered. The reasons for these failures can be summarized into three aspects: one is that the design is wrong; the second is that the production quality is poor; the third is that the use conditions exceed the design requirements. Temperature Indicators for oil transformers, winding temperature should be about 15 degrees Fahrenheit greater than the top oil temperature. With a vast library of historical information on many brands of transformers besides our own, including but not limited to RTE-ASEA, ASEA Electric, ABB Electric, Magnetek, Federal Pacific, North American, Hevi-Duty and General Signal, we are properly equipped to move forward quickly with virtually any transformer repair job from radiator, cooler, bushing and gauge replacement to oil and nitrogen leak repairs and almost everything in between! Maintenance of transformers is an important part of electrical equipment management. Fax 916-632-0300 Waukesha Service works with Prolec GE Waukeshas bushing suppliers to acquire a direct replacement bushing or determine an acceptable replacement for bushings that are obsolete and no longer manufactured; modifications to leads and/or connections to accommodate dimensional differences would be identified and adapter leads and/or connections can be made during installation. Due to extreme operating and environmental conditions, leaks do occur at gaskets, fittings, welds and points of physical damage. Complete electrical testing as defined by IEEE and NETA.
According to the application, it can be divided into: power transformer and special transformer (electric furnace change, rectification change, power frequency test transformer, voltage regulator, mine change, audio transformer, intermediate frequency transformer, high frequency transformer, impact transformer, instrument transformer, electronic transformer , reactors, transformers, etc.). Our technicians possess a wide range of skills and decades of combined experience, making us uniquely equipped to overcome a variety of challenges. In addition to replacing existing gauges, Industrial Tests can add gauges to transformers originally supplied without gauges. Sunbelt Solomon makes renting simple and convenient for customers. 800.576.RESA (800.576.7372), For International Sales: Inspect physical and mechanical conditions for anchorage, alignment, and grounding. Maintenance Partners offers a full maintenance solution for oil filled and dry transformers. Allows transformers to function at manufacturers standards, Maintenance prevents overheating or arc fault conditions from occurring, NETA certified engineers servicing transformers offer peace of mind, Maintenance for transformers should be taken annually, Cost of repair or replacement is much greater than cost of maintenance, Does not contain petroleum, halogen, silicones, corrosive sulfur or any other harmful chemicals. Insulation-resistance tests, winding to winding, and each winding to ground. RMS Energy has the skilled, trained and experienced specialists you need for transformer installation. Preventive maintenance includes the following tests: In addition, accessories and protectionsare checked (Detection Gas Pressure Temperature, Buchholz, Thermometer & Fans) and silica gel is replaced. PROLEC-GE WAUKESHA, INC. If gas is found, an oil sample will be taken for further testing. When refilling oil in transformers, its important to keep cost in mind as well as impact on the environment. Transformer maintenance method: The first step is to disassemble the core. Combining technical expertise with high quality suppliers, Waukesha Service provides replacement radiator and/or cooler packages ready to install. The maximum unbalance current of the transformer low voltage shall not exceed 25% of the rated value; the allowable range of transformer power supply voltage variation is plus or minus 5% of the rated voltage. RESA Power specializes in electrical power solutions to ensure safe, efficient, and reliable generation, transmission, and distribution of power. Combining engineering expertise with high quality suppliers, Industrial Tests provides replacement radiator and cooler packages ready to install. Scope of work can include supplying new or replacement gauges, mounting gauges on tank, running line for temperature probe, modifying tank to add probe well, wiring from control box to gauges, calibrating the equipment and verifying operation. 20. Oil Retrofill Waukesha, WI 53186, Prolec GE designs and provides solutions for the generation, transmission, and distribution of electrical energy. Verify correct secondary voltage, phase to phase and phase to neutral after energization and prior to loading. The customer needs to provide information on the bushing requiring replacement, or an Industrial Tests service technician/engineer can make a site visit to acquire any needed dimensions and/or equipment information. Jl. Raya Trawas KM 3.8 In normal operation, the load on the transformer should be about 75-90% of the rated capacity of the transformer. Our wide inventory starts and ends with peace of minddelivering performance equal to or greater than that of new products. Contact our Service Department and get the lasting solutions you need, when you need them. If this range is exceeded, the tap-changer should be used to adjust the voltage to the specified range. The period of measurement shall be specified in the site regulations. More important, moisture and oxygen can enter a transformer through a leaking gasket which causes accelerated aging of the insulation and insulation failure. Industrial Tests, Inc Knowledge is power. Some of our resources include experienced personnel; equipment necessary to handle, store oil and vacuum-fill; specialized processes/procedures for all kinds of transformer repairs. The following services are offered onsite: More comprehensive repairs that cannot be executed onsite are performed in our workshops: Maintenance Partners uses modern testing equipment for complete tests according to the highest standards: Are you interested in an assesment of your transformers or do you want to know more about maintenance of transformers? Whether its warranty repair for transformer manufacturers, or replacing components on older transformers, our expert crews perform internal inspection and repairs on transformers of all sizes. The ratio of the measured insulation resistance value during the use of the transformer to the value measured before the transformer is put into operation after installation or overhaul is the main basis for judging the insulation state of the transformer during operation.
No transformer installation is complete without various forms of testing. RMS Energy technicians are trained and experienced for transformer maintenance and repairs on a wide variety of models and designs. Waukesha Service has the information, equipment, suppliers, experienced personnel and know-how to perform a long list of repairs onalmost any manufacturers transformer. Verify that cooling fans are operational and that fan motors have correct overcurrent protection to prevent overload. Premium equipment installed by professionals and tested for lasting results. Click here to view our current job openings. Contact the nationwide specialists at RMS Energyin Randall, MN when you need transformer maintenance, repairs or transformer installations for your electrical system. Specifications and/or drawings need to be supplied by the customer, or an Industrial Tests service technician/engineer can make a site visit to acquire any necessary dimensions and/or information. Our professional technicians can reduce your downtime and help you overcome any challenges you face with your electrical distribution equipment. We will send your contact information to a member of our team to follow up. The allowable value of the coil insulation resistance is not specified. When the faulty part is found and processed, it can be re-wound according to the original winding method, and after the winding and repairing, comprehensive testing and inspection can be carried out. We have provided electrical solutions to thousands of companies throughout the United States and Canada on both a routine and a 24/7/365 basis for the last 18 years. In special cases, the transformer can be overloaded for a short period of time, but it should not exceed 30% of rated load in winter and 15% of rated load in summer. When disassembling, pay attention to the insulation between the layers, the diameter of the wires, the number of turns per layer and the number of layers, etc., so as to refer to the rewinding. Contact the nationwide specialists at RMS Energy. Installation packages can include installation drawings, radiators, coolers, pumps, piping, gaskets and hardware or any combination of these items. The measured value and the oil temperature during the measurement shall be recorded in the transformer history card. In addition to supplying the parts, our Service Team can field install the equipment for a seamless, hassle-free experience.
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