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Related Manuals for Ormazabal transforma.bst-pm
Summary of Contents for Ormazabal transforma.bst-pm
- Page 1 Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) According to IEC 60076 and ENA TS 35-1 General instructions IG-302-EN, version 01, 18/11/2020...
- 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 Table of Contents transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) Table of Contents 1. Description and main characteristics .......4 6. Commissioning ............16 1.1. -
Page 4: Description And Main Characteristics
16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) Description and main characteristics 1.1. Design, manufacturing and testing Ormazabal's transformers have been designed and constructed in accordance with mandatory standards, and meet all testing requirements in current medium-voltage electrotechnical regulations , as well as particular customer specifications. -
Page 5: Individual Or Routine Tests
General instructions Description and main characteristics transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) 1.1.1. Individual or routine tests The transformers are subjected to routine tests, which... -
Page 6: Lifting, Moving And Handling
Ormazabal shall not be liable for any improper choice or use. There are attachment points and fixing holes in the bottom of the transformer (mounting feet and back) in order to secure it during transport. -
Page 7: Lifting And Moving By Crane
General instructions Lifting, moving and handling transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) 2.2. Lifting and moving by crane When lifting and moving the transformer with a crane, it must be remembered that the lifting elements allow the transformer to be completely suspended. -
Page 8: Transport
The protection tools and equipment provided or recommended by Ormazabal (according to the agreement with the customer), such as anti-vibration brackets and elements for pulling (bracing) or securing the load, must be used for transport. - Page 9 General instructions Transport transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) • When securing the transformer, be sure that the lashing or fastening chains do not interfere with any of the transformer's accessories or cooling elements.
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Page 10: Transport Agents
The transformers are prepared for transport on flat, paved indicate this circumstance in the order sent to roads without significant potholes. Ormazabal. Following this communication, the best solution for transport will be decided between the customer and Ormazabal. IG-302-EN version 01; 18/11/2020... -
Page 11: Checking Impact Detectors
3.4. Checking impact detectors Ormazabal reserves the right to fit impact detectors (or ask If transport is not managed by Ormazabal, or is not carried for them to be fitted) in its transformers in order to provide out under its responsibility, and accelerations in excess... -
Page 12: Storage
General instructions Storage transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) Storage If commissioning is not immediate, transformers must be Due to the particular characteristics of natural esters... -
Page 13: Installation
• There should be no evidence of dielectric leakage. that the transformer arrived in a perfect condition and Ormazabal will not be responsible for any future anomalies or their consequences. IG-302-EN version 01; 18/11/2020... -
Page 14: Transformer Electrical Connections
Risk of death by electric shock and of irreversible damage to the transformer or to the electrical installation. Contact Ormazabal in the event of dielectric liquid leaks. • The transformer's electrical connections can only be made by qualified personnel while always observing proper electrical safety measures. - Page 15 General instructions Installation transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) 9. Connect the transformer to the secondary circuit using flexible connections which do not place any strain on...
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Page 16: Commissioning
Contact Ormazabal in the case of any anomaly. matches the transformer's rated voltage. Contact Ormazabal in the case of any anomaly. • If an adjustment is required after commissioning the transformer, follow the safety instructions specified iii. If an adjustment is required after commissioning in section 7.1 of these general instructions, titled... -
Page 17: Natural Ester Transformers
-10 °C while the outside temperature is higher, due to the thermal In these cases, Ormazabal recommends the following inertia of the ester. In order to guarantee the integrity of the... -
Page 18: Maintenance
• Contact Ormazabal in the event of dielectric liquid leaks. 1. Disconnect all the electrical power sources for the circuits until the transformer is turned off, interlocking or blocking the necessary breaking devices to prevent any power supply. -
Page 19: Checking The Transformer
7.2.3. Noise If strange noises are heard to come from the transformer, contact Ormazabal and report the circumstances, so we can determine the cause. 7.2.4. Tightening bolts and threaded pieces Whenever it is detected that the tank's earthing terminals are loose, de-energise the transformer in line with the instructions in section 6.1 and tighten them immediately. - Page 20 Spray on the dry primer, using the same colour as the paint finish, covering the area. Excess paint is removed with a damp cloth. Please contact Ormazabal to determine the exact colour of the spray paint. Figure 7.3. Spray primer...
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Page 21: Regularity Of Maintenance
General instructions Maintenance transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) 7.3. Regularity of maintenance Visually inspecting the following aspects of the transformer If a maximum temperature trailing pointer is fitted,... -
Page 22: Repairs
(single-phase) / from 25 to 315 kVA (three-phase) 7.4. Repairs If the transformer presents any anomaly in its operation, the If a company other than Ormazabal performs the repair user must notify Ormazabal, who will provide appropriate or modification, it must affix a plate to the transformer instructions. -
Page 23: Additional Information
General instructions Additional information transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) Additional information 8.1. Reliability As shown by the tests, the transformer leaves the factory... -
Page 24: Final Annex
General instructions Final annex transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) Final annex The torques recommended for the connections are as follows. Recommended tightening torques [Nm]... - Page 25 General instructions Notes transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) Notes IG-302-EN version 01; 18/11/2020...
- Page 26 General instructions Notes transforma.bst-pm: Distribution transformers, hermetically sealed, immersed in dielectric liquid from 16 to 100 kVA (single-phase) / from 25 to 315 kVA (three-phase) Notes IG-302-EN version 01; 18/11/2020...
- Page 28 Ormazabal Subject to change Cotradis without prior notice. Transformadores For further information, LOECHES contact Ormazabal. Spain www.ormazabal.com...
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