Related Manuals for Ormazabal velatia transforma
Summary of Contents for Ormazabal velatia transforma
- Page 1 transforma Pad-mounted dielectric liquid-immersed electrical power transformers General instructions IG-248-EN version 01; 23/10/2015...
- Page 2 Therefore, the use of this equipment poses electrical, mechanical and thermal risks. In order to ensure an acceptable level of protection for people and property, and in compliance with applicable environmental recommendations, Ormazabal designs and manufactures its products according to the principle of integrated safety based on the following criteria: •...
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Page 3: Table Of Contents
General instructions transforma pad-mounted Contents Description and main characteristics........4 Design, manufacturing and testing . -
Page 4: Description And Main Characteristics
General instructions transforma pad-mounted 1 Description and main characteristics 1.1 Design, manufacturing and testing The transforma manufactured by Ormazabal have been designed and constructed in accordance with the mandatory standards and they meet the testing requirements of the applicable legislation as well as particular customer specifications. -
Page 5: Individual Or Routine Tests
General instructions Description and main characteristics transforma pad-mounted 1.1.1 Individual or routine tests The transformers are subjected to routine tests, which guarantee compliance with the applicable standards: • Winding resistance measurement. • Transformation ratio measurement and check up of vector group. •... -
Page 6: Transport And Handling
Transport and handling General instructions transforma pad-mounted 2 Transport and handling For easier transport, each transformer has anchoring and Risk of machine breaking. The selection of hoisting elements at the top for transportation and holes in the lifting elements must be based on the the slides at the bottom to prevent damage to the cooling transformer total weight, shown on the name plate. -
Page 7: Storage
General instructions Storage transforma pad-mounted 3 Storage If commissioning is not immediate, transformers must be stored following the recommendations below: • Store the transformer in a clean, dry place on firm, levelled ground. • If the transformer is equipped with plug-in terminals or sockets, make sure the conical protector or cap provided for keeping the connection terminals clean and intact is in place. -
Page 8: Installation
If any anomaly is detected upon the reception Ormazabal. transformer, immediately notify Ormazabal. If after a 15 day period, we have not received a report of anomalies or defects • Verify that the transformer has all of its accessories, found, it is assumed the transformer arrived ensuring they are not damaged. -
Page 9: Transformer Electrical Connections
General instructions Installation transforma pad-mounted 4.3 Transformer electrical connections Risk of death by electric shock and of irreversible damage to the transformer or to the electrical installation. The transformer electrical connections can only be performed by qualifi ed personnel while always observing the proper electrical safety measures. -
Page 10: Implementation
Implementation General instructions transforma pad-mounted 5 Implementation 5.1 Transformer verification before commissioning Once the transformer is connected to the medium voltage 4.1 The tap changer shall always be operated without and low voltage networks, and before connecting the electrical power. Ensure the handle is well locked electrical power source, the following checks should be and in its working position. -
Page 11: Maintenance
Fig. 6.2 Secondary compartment with level, temperature and pressure indicators and secondary connectors In case of dielectric liquid leakages, contact Ormazabal Fig. 6.1 Filling, purging and sample collector devices for the switch and primary connections IG-248-EN version 01; 23/10/2015... -
Page 12: Maintenance Frequency
If someone other than Ormazabal handles and unseals the transformer, it will no longer be responsible for its operation and reliability. IG-248-EN version 01; 23/10/2015... -
Page 13: Additional Information
General instructions Additional information transforma pad-mounted 7 Additional information 7.1 Reliability As shown by the tests, the transformer leaves the factory free of defects and is ready to provide service for its entire service life. In order to maintain that level of reliability, transformers must be properly handled, stored, transported and commissioned, applying the corresponding checks and the protections established in the medium voltage... -
Page 14: Final Appendix
Final appendix General instructions transforma pad-mounted 8 Final appendix Torque recommended for medium voltage and low voltage connections: Recommended tightening torque [Nm] Metric size Wrench size Connection between nuts. 15-20 70-100 250-350 Fastening the palms to the bolt (stainless 25-35 40-60 steel screws). - Page 16 Subject to change without Ormazabal prior notification. Cotradis Transformadores, S.L.U. For further information, contact Ormazabal. LOECHES Spain www.ormazabal.com...
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