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What is the significance of the figure '864' mentioned in the context provided?
Which component is associated with the reference number '8929167M'?
What does the 'ZS010157' designation refer to in this context?
What is the primary function of the On-load tap-changer VACUTAP® VT I 500?
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What does the term 'insulating shaft length' refer to?
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In the provided dimensions, which part has an accessible fixing hole?
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What can be inferred about the data provided in the publication?
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What is the function of the 'limit dimensions of vertical drive shaft' mentioned?
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What is the maximum rated current for the VT I 500 on-load tap-changer?
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What is the rated peak withstand current for the on-load tap-changer?
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How many operating positions are available for the on-load tap-changer?
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What is the rated lightning impulse withstand voltage between two adjacent contacts of the tap selector?
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What is the rated AC withstand voltage to ground for the on-load tap-changer?
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Which environmental medium is specified for the on-load tap-changer?
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What is the highest voltage for equipment (Um) for the on-load tap-changer?
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How long is the rated short-circuit duration for the on-load tap-changer?
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What is the primary responsibility of the transformer manufacturer regarding the on-load tap-changer?
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Which section contains essential information on connection and current division for the tap-changer?
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Why are dimensional drawings and connection diagrams subject to change?
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What should be considered in conjunction with type-specific data for the tap-changer?
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What aspect of the on-load tap-changer is the technical data intended for?
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What is the purpose of the rated switching capacity (PStN) in the technical data?
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What can be inferred about the contact life mentioned in the technical data?
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Which of the following statements about the technical data document is accurate?
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What is the maximum ambient temperature at which the system can operate?
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What is the rated through-current (Iu) for the lower range model?
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What mechanism is used to drive the motor in the protective housing?
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What is the maximum number of switching operations allowed per minute?
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How much power does the motor associated with the drive mechanism use?
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What is the rated step capacity (PStN) for both models?
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Which rated step voltage (Ui) corresponds to the higher rated through-current?
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What feature does the drive mechanism have for emergency operation?
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What is the expected contact life of the vacuum interrupters?
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After how many switching operations must the vacuum interrupters be replaced?
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What document may contain the installation drawing for the VACUTAP® VT I 500?
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Which of the following documents includes adjustment plans for the VACUTAP® VT I 500?
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Which document would detail the switching sequence for the VACUTAP® VT I 500?
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What aspect of vacuum interrupters is independent of step voltage and through-current?
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Which component is part of the documentation for the VACUTAP® VT I 500?
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What is the purpose of the vertical drive shaft mentioned in the documents?
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The rated lightning impulse withstand voltage to ground for the VT I 500 is 100 kV.
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The highest voltage for equipment (Um) for the on-load tap-changer is 50 kV.
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The on-load tap-changer can operate in a horizontal installation position.
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The operating conditions for the on-load tap-changer specify ambient class E1.
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The maximum rated step voltage (Uim) for the on-load tap-changer is 1000 V.
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The maximum rated through-current (Ium) for the VT I 500 is 600 A.
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The rated short-circuit duration for the on-load tap-changer is 5 seconds.
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The rated AC withstand voltage between any two adjacent contacts of the tap selector is 10 kV.
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The maximum ambient temperature for operation is +65 °C.
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The weight of the equipment can reach up to 150 kg.
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The rated through-current (Iu) for the higher model is 500 A.
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The rated step voltage (Ui) of the lower model is 900 V.
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The drive mechanism includes a hand crank for adjustment purposes.
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The maximum switching operations allowed per minute is 2.
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The rated step capacity (PStN) for both models is 300 kVA.
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The drive mechanism operates on a 3 AC 230/400 V supply.
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The limit dimensions of the vertical drive shaft are indicated as 8929167M.
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The on-load tap-changer VACUTAP® VT I 500 is denoted by the code 8973776E.
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The adjustment plan for the on-load tap-changer VACUTAP® VT I 500 has the designation 8979754E.
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The connection diagrams for the VACUTAP® VT I 500 are labelled as ZS010157.
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The document indicates that the data may differ from the delivered devices.
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The maximum number of switching operations allowed per minute for the on-load tap-changer is 10.
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The drive mechanism of the on-load tap-changer is operated by a vertical drive shaft.
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The published technical data is not subject to change.
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The contact life of vacuum interrupters amounts to 300,000 switching operations.
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Vacuum interrupters need to be replaced after 200,000 switching operations regardless of through-current.
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The installation drawing for the VACUTAP® VT I 500 is contained in the reference number 898312.
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The rated step capacity (Iu, Ui) for on-load tap-changers is represented by the figure 899507.
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The motor drive unit ED-S is associated with the reference number 898801.
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The adjustment plan for the VACUTAP® VT I 500 has a reference number of 897975.
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The bevel gear CD 6400's dimension drawing is labeled with the reference number 892916.
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The connection diagrams for the VACUTAP® VT I 500 figure is specified under reference number 897977.
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The on-load tap-changer VACUTAP® VT I 500 can be operated exclusively in a vertical installation position.
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The protective housing of the motor-drive unit ED-S must always be opened to the left.
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The maximum rated step voltage (Uim) for the on-load tap-changer is 1000 V.
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A total of 3 dummy plates for packing glands are included with every design of the on-load tap-changer.
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The rated short-circuit duration for the on-load tap-changer is stated to be 10 seconds.
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The rated lightning impulse withstand voltage to ground for the VT I 500 is 120 kV.
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The horizontal guard plate with spacing ring is an essential component of the protective housing design.
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The rated AC withstand voltage between any two adjacent contacts of the tap selector is 15 kV.
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Study Notes
General Information
- On-load tap-changer model: VACUTAP® VT I 500
- Compliance with IEC 60214 and VDE DIN EN 60214 standards.
- Maximum rated through-current (Ium): 500 A.
- Rated short-time withstand current: 5 kA for 3 seconds.
- Rated peak withstand current: 12.5 kA.
Key Technical Specifications
- Rated short-circuit duration: 3 seconds.
- Maximum rated step voltage (Uim): 900 V.
- Step capacity (PStN): 250 kVA.
- Maximum operating positions: 9 (no change-over selector).
- Rated frequency: 50-60 Hz.
Insulation and Environmental Ratings
- Highest voltage for equipment (Um): 40.5 kV.
- Rated lightning impulse withstand voltage: 200 kV (to ground).
- Rated AC withstand voltage: 85 kV (to ground, 1 min).
- Ambient installation position: vertical, with attachment only on the top.
Operating Conditions
- Designed for indoor installation; maximum altitude of 1000 m above sea level.
- Operating temperature range: -25 °C to +65 °C.
- Maximum frequency of operation: 1 switching operation per minute.
- Weight: approximately 70 kg (single unit) and 210 kg (three-unit configurations).
Drive Mechanism
- Utilizes motor drive unit ED with a protective housing suitable for outdoor installation.
- Motor specifications: 3 AC 230/400 V, 50 Hz, 0.75 kW.
- Electrical/mechanical end position limit; includes remote position indication facilities.
- Hand crank provided for adjustment and emergency operation.
Contact Life and Maintenance
- Vacuum interrupters have a contact life of 200,000 switching operations.
- Replacement required after reaching the contact life limit.
Additional Drawings and Diagrams
- Installation drawings, dimension drawings, and connection diagrams are available for reference.
- Important technical information contained within relevant appendices and figures.
General Overview
- On-load tap-changers comply with IEC Publication 60214 3ED 89 and VDE standard DIN EN 60214.
- Models include the VACUTAP® VT I 500 with configurations for 1 and 3 poles.
- Maximum rated through-current is 500 A, with a short-time withstand current capacity of 5 kA.
Technical Specifications
- Rated peak withstand current is 12.5 kA, and max. rated step voltage is 900 V.
- Rated short-circuit duration is 3 seconds, with step capacity (PStN) rated at 250 kVA.
- Maximum positions for operation: 9, with no change-over selector available.
- Rated frequency ranges from 50 Hz to 60 Hz.
Insulation and Safety Ratings
- Highest voltage for equipment is 40.5 kV; lightning impulse withstand voltage to ground is 200 kV.
- Rated AC withstand voltage to ground: 85 kV; for tap selector contacts: varies from 5 kV to 80 kV.
Installation and Environmental Considerations
- Installation is vertical, requiring top attachment for on-load tap-changer.
- Operating conditions allow for indoor installations up to 1000 meters above sea level.
- Ambient temperature capability ranges from -25 °C to +65 °C.
Performance Characteristics
- Maximum frequency of operation: 1 switching operation per minute; running time per operation is 5.3 seconds.
- Device weights approximately 70 kg for single pole models and 210 kg for three-pole models.
- Drive mechanism utilizes a motor drive unit ED, with provisions for local and remote control options.
Contact Life and Replacement
- Vacuum interrupters have a contact life of 200,000 switching operations, requiring replacement after this threshold regardless of voltage and current.
Documentation and Drawings
- Includes installation drawings, dimension drawings, switching sequences, and connection diagrams for proper setup and maintenance.
- Specific documents and diagrams are referenced with unique identifiers for ease of access.
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Description
Test your knowledge on the technical specifications related to protective housing and cable apertures. This quiz covers details on measurements, openings, and configurations. Perfect for students in engineering and design fields.
