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Power Transformer Maintenance and Acceptance Testing

  


by Filed under Electrical engineering

Power Transformer Maintenance and Acceptance Testing

File : 3.7 MB, 62 pages

TOC
INTRODUCTION / SAFETY
Maintenance and testing
safety
Nameplate data

CONSTRUCTION THEORY
Transfomer applications
Magnetic flux
Winding, current and voltage ratios
Core construction
Core form construction
Shell form construction
TRANSFORMER CONNECTIONS AND TAPS
Tapped Primaries and secondaries
Polarity
Autotransfomers
Single and multi-phase relationships
Delta-wye and wye-delta displacements

COOLING CONSTRUCTION CLASSIFlCATIONS
Classifications
Dry-type transfomers
Liquid-filled transformers
Tank construction
Free breathing tanks
Consevator tank
Gas-oil sealed tank
Automatic inet gas sealed tanks
Sealed tank type

INSULATING FLUIDS
Oil
Oil testing
Dissolved gas in oil analysis
Transformer oil sampling
Synthetics and other insulating fluids

INITIAL ACCEPTANCE INSPECTION TESTING
Acceptance
Pre arrival preparations
Receiving and inspection
Moving and storage
Internal inspection
Testing for leaks
Vacuum filling

TRANSFORMER TESTING
Test data
Direc tcurrent testing
Alternating current testing

TRANSFORMER AUXILIARY EQUIPMENT
Auxiliaries
Bushings
Pressure relief devices
Pressure gauges
Temperature gauges
Tap changers
Lightning (surge) arresters

COMPREHENSIVE MAlNTENANCE / TESTING PROGRAM
Transformer maintenance
Maintenance and testing program
Documentation
Scheduling

STATUS OF TRANSFORMER MONITORING AND DIAGNOSTICS
Introduction
Transformer Monitoring
Transformer diagnostics
Conclusions

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57 Responses to “Power Transformer Maintenance and Acceptance Testing”

  1. wadrali says:

    pl provide link to down load

  2. helen says:

    Dear Sir or Madam:

    Himalayal is leading supplier of high voltage test equipments. we provide the test measurement and diagnostic equipment for a wide range of electrical applications (power transformer, power cable, instrument transformer, HV switch, insulator and so on). Test systems for laboratory, factory and field use are available. As a powerful supplier our service range include special design, manufacturing, engineering, installation, commissioning and technical support. Himalayal, always by your side.

    Applied standard: IEC, IEEE, ANSI.

    Below is ours products range:

    AC withstand test :
    - Cylinder type test transformer (30kV-2250kV)
    - Tank type test transformer (20-1000kV)
    - Tank type resonant system (Variable inductance) (12-350kV, up to 70A)
    - Cylinder type resonant system (Variable inductance) (up to 2000kV) (700kV, up to 40A)
    - Cylinder type resonant system (Variable frequency) (up to 2000kV)
    - Voltage regulator
    - Compensation Reactor
    - Coupling capacitor (Capacitance voltage divider) (HV filter)
    - Digital control and measuring system
    - Manual control and measuring system
    Impulse voltage generator: (Cabinet type, E type, H type)
    - Impulse voltage generator (5kV – 20kV) (200kV – 7200kV) (5kV – 20kV IG will be smart cabinet type.)
    - Damped capacitive impulse voltage divider
    - Automatic multiple chopping gap
    - Horizontal (Vertical) sphere gap
    - Digital control and measuring system
    Impulse current generator (10/350) (8/20)
    High current generator
    DC generator (DC hipot) (up to 2000kV)
    SF6 (gas) insulated test transformer:
    - Gas insulated test transformer (50-1000kV)
    - Gas insulated resonant system (variable inductance or frequency)
    - AC hipot (50-300kV)
    Tan delta measuring system:
    - Manual precision tan delta bridge (Accuracy < 5*10-5)
    - Fully automatic tan delta bridge (2.5kV or 12kV)
    - Standard capacitor (1200kV)
    Partial discharge test system:
    - Partial discharge tester (Manual type or Automatic Type) (Single channel or six channels)
    - Coupling capacitor
    - Input impedance
    - Calibrator
    Transformer measuring device(s):
    - Turn ratio meter
    - Winding resistance meter (5A, 10A, 20A, 40A, 50A)
    - Oil dielectric test set (40kV, 60kV, 80kV,100kV)
    - Transformer loss measuring device
    Himalayal Service and warranty:
    - Installation and commissioning service
    - Training
    - Technical support
    - Consultation
    - Warranty: one year (to any products purchased from Himalayal)
    Himalayal Advantage:
    - Fast action
    - Best-in-class quality
    - Very competitive price
    - Excellent installation, commissioning and after-sell service
    If you need any products of us, please contact with ours sales.

    Contact information:

    Helen Sun
    (Sales manager)
    Best Regard

    Himalayal Corporation Limited
    ADD: 23F Citygroup Tower, 33 Huayuanshiqiao Road, Shanghai, 200120, China.
    Shanghai Himalayal Co.,Ltd
    Add: 808-809, 1088A, New Jinqiao Road, Shanghai, 201206, China
    Tel: 0086 21 6101 6212 ext8002
    Fax: 0086 21 6101 6213
    Mail: helen@himalayal.com.cn
    http://www.himalayal.com
    http://www.himalayal.com/HVTestingEquipment.shtml

    Himalayal, always by your side.

    PLa información contenida en este e-mail y sus archivos adjuntos son CONFIDENCIALES. En caso de recibir este mensaje por error, le rogamos que lo notifique al remitente y lo destruya inmediatamente.
    The information contained in this e-mail is strictly CONFIDENTIAL. If you receive this message by mistake, please notify the sender and destroy it immediately.
    PAntes de imprimir este e-mail piense bien si es necesario hacerlo. Cuidar el medio ambiente también está en sus manos.
    Before printing this e-mail, think whether it is really necessary. You too are responsible for protecting the environment.

  3. shakti says:

    plesae send me this book

  4. lekan says:

    pls send me this book

  5. ashraf says:

    many thanks sirs

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