Questions and Answers
What is the function of the extra inspection window on the protective relay RS 2001/R?
Which component is found on the rear view of the protective relay RS 2001?
Which button is specifically meant for the purpose of testing tripping on the protective relay RS 2001?
What is included in the design of the protective relay RS 2003 and RS 2004 in place of a cable gland?
Signup and view all the answers
What feature distinguishes the RS 2001 relay from the other models?
Signup and view all the answers
Which of the following is NOT part of the components listed in the view from above of the protective relay RS 2001?
Signup and view all the answers
Identify the component that serves as a cover for the potential tie-in on the protective relay RS 2001.
Signup and view all the answers
What is the primary function of the rupture disk in the on-load tap-changer?
Signup and view all the answers
What is the function of the slotted head screw for the protective cover?
Signup and view all the answers
Which standard does the rupture disk comply with?
Signup and view all the answers
What does the MPreC® pressure relief device replace when requested?
Signup and view all the answers
What is the tap-change supervisory device used for?
Signup and view all the answers
What feature is NOT associated with the rupture disk?
Signup and view all the answers
In the assembly of the on-load tap-changer, where is the rupture disk located?
Signup and view all the answers
What occurs when a defined overpressure is detected by the pressure relief device?
Signup and view all the answers
What must be ensured for the on-load tap-changer to comply with regulations?
Signup and view all the answers
What is the primary function of the (+) and (-) change-over selector connection contacts?
Signup and view all the answers
What is indicated by the terminal lugs of the crimped connecting lead for the (0) and (–) change-over selector connection contacts?
Signup and view all the answers
Which component is supplied separately along with the change-over selector connection contacts?
Signup and view all the answers
For the coarse change-over selector connection, what is the purpose of the (+) change-over selector connection contacts?
Signup and view all the answers
In the context of the change-over selector connection contacts, what does the term 'coarse' refer to?
Signup and view all the answers
Which screw type is designed to be used with the change-over selector connection contacts?
Signup and view all the answers
What differentiates the terminal lugs of the (+) and (0) change-over selector contacts in terms of design?
Signup and view all the answers
How do the change-over selector connection contacts facilitate reversing connections?
Signup and view all the answers
What is one key consideration during the installation of the on-load tap-changer?
Signup and view all the answers
What is a necessary step immediately after filling the oil compartment of the on-load tap-changer?
Signup and view all the answers
Which component must be checked during the commissioning of the transformer?
Signup and view all the answers
In which condition should the sensor of the pressure monitoring device be during operation?
Signup and view all the answers
What does the installation of the bell-type tank version of the on-load tap-changer require?
Signup and view all the answers
What is one of the first actions to take when receiving shipments of the on-load tap-changer?
Signup and view all the answers
What must be ensured before performing high-voltage tests on the transformer?
Signup and view all the answers
After which step should the transformer be commissioned at the operating site?
Signup and view all the answers
What is a critical requirement for personnel involved in handling the on-load tap-changer?
Signup and view all the answers
Which aspect is addressed in the technical data for the protective relay?
Signup and view all the answers
What is the primary function of the DW 2000 pressure monitoring device?
Signup and view all the answers
How is the sensor in the pressure monitoring device activated?
Signup and view all the answers
What happens when impermissible pressure is detected by the DW 2000 pressure monitoring device?
Signup and view all the answers
What must be done after the sensor on the snap-action switch trips?
Signup and view all the answers
What type of pressures does the pressure monitoring device respond to?
Signup and view all the answers
Where is the pressure monitoring device installed?
Signup and view all the answers
How is the tripping pressure for the monitoring device determined?
Signup and view all the answers
Which device responds faster to pressure increases than the protective relay?
Signup and view all the answers
The on-load tap-changer is designed to operate with the load flow interrupted.
Signup and view all the answers
Using the product improperly can result in risks to life and limb.
Signup and view all the answers
The product does not require adherence to any safety instructions when being used.
Signup and view all the answers
The on-load tap-changer remains safe throughout its entire service life if used according to specified requirements.
Signup and view all the answers
The safety precautions outlined in the technical file are optional for the user.
Signup and view all the answers
The product can be used in applications outside of electrical energy systems.
Signup and view all the answers
The warnings attached to the product do not influence its safe operation.
Signup and view all the answers
The technology used in the manufacturing of the product is described as outdated.
Signup and view all the answers
Unauthorized modifications to the product can enhance safety and performance.
Signup and view all the answers
An electrically skilled person must satisfy the requirements of applicable statutory regulations for accident prevention.
Signup and view all the answers
Spare parts approved by Maschinenfabrik Reinhausen GmbH do not need to be used during maintenance.
Signup and view all the answers
An electrically trained person does not require supervision while working on electrical systems.
Signup and view all the answers
The electrically skilled person must be proficient in identifying potential dangers independently.
Signup and view all the answers
Modifications to the product can be carried out without consulting Maschinenfabrik Reinhausen GmbH.
Signup and view all the answers
An electrically skilled person must have undergone special training for their working environment.
Signup and view all the answers
Only electrically trained persons are responsible for ensuring the qualifications of assembly personnel.
Signup and view all the answers
The on-load tap-changer can switch 3 times the rated through-current $I_r$ at its rated step voltage $U_{ir}$.
Signup and view all the answers
Qualified personnel must perform all necessary work related to the product's installation and maintenance.
Signup and view all the answers
The specified transformer for the on-load tap-changer can differ from the one mentioned in the order as long as it matches the operational specifications.
Signup and view all the answers
The nameplate of the product provides information about the standard valid for the product and the year of issue.
Signup and view all the answers
The on-load tap-changer is restricted to operating only with a sinusoidal 60 Hz alternating current.
Signup and view all the answers
Only equipment and special tools that were part of the initial delivery can be used for the intended purpose.
Signup and view all the answers
When supplied as a set, the serial numbers of the on-load tap-changer and its accessories do not need to match.
Signup and view all the answers
The through-current limits for the on-load tap-changer are determined by factors other than the design data specified in the order confirmation.
Signup and view all the answers
It is safe to walk under a suspended load during transportation.
Signup and view all the answers
The crate should be transported only when it is open.
Signup and view all the answers
Trained and authorized persons are required to select the lifting gear used.
Signup and view all the answers
It is acceptable to drop the crate to prevent possible damage without consideration.
Signup and view all the answers
Jolts can occur during the transportation of the crate.
Signup and view all the answers
Inadequate carrying capacity of transport means can lead to accidents.
Signup and view all the answers
Removing the securing material from the crate during transport is advisable.
Signup and view all the answers
Colliding with the product during transportation should be anticipated.
Signup and view all the answers
The pressure-operated relay will trip in response to gas accumulation beneath it.
Signup and view all the answers
The pressure monitoring device complies with IEC publication 60214-1.
Signup and view all the answers
There is only one variant of the pressure monitoring device available for installation.
Signup and view all the answers
The housing of the pressure monitoring device is made of lightweight, corrosion-resistant plastic.
Signup and view all the answers
Diverter switch operations at the rated switching capacity do not affect the pressure monitoring device's performance.
Signup and view all the answers
Gas accumulation under the pressure-operated relay must always be avoided.
Signup and view all the answers
Study Notes
Introduction to OILTAP® R
- Provides comprehensive installation and commissioning instructions for the OILTAP® R on-load tap-changer.
- Emphasizes safe installation, connection, and commissioning of the product.
Manufacturer and Product Overview
- Manufactured by Maschinenfabrik Reinhausen.
- Specific details about the completeness and safeguarding of the documentation are highlighted.
- Technical data and designs are subject to change post-publication.
Safety Guidelines
- Appropriate and inappropriate usage scenarios are defined to ensure safe operation.
- Fundamental safety instructions must be followed.
- Personnel handling the equipment should possess required qualifications.
- Personal protective equipment is essential during installation and maintenance.
Product Structure
- Detailed description includes the scope of delivery, function, setup, and protective features.
- On-load tap-changer functionality described, facilitating voltage regulation under load conditions.
- Drive shaft and OF 100 Oil Filter Unit are integral components, ensuring operational efficiency.
Packaging, Transport, and Storage
- A detailed process for packaging, handling, and storing shipments is outlined.
- Adequate markings on packages are necessary for safe transportation.
- Procedures for unpacking and inspecting for transport damages are specified.
Mounting Procedures
- Preparatory work is critical, including fitting mounting flanges and installing necessary components.
- Clear steps for installing on-load tap-changer in standard and bell-type tank versions.
- Important tests include transformer ratio tests and DC resistance measurements before and after drying processes.
Commissioning Process
- Involves systematic commissioning at the manufacturer’s site and the operating site.
- Steps include bleeding the on-load tap-changer and checking motor-drive units.
- High-voltage tests are mandatory to ensure transformer integrity and safety.
Fault Elimination Procedures
- Guidelines for troubleshooting protective relays and pressure monitoring devices.
- Steps for re-commissioning the transformer after faults are detailed.
- Specific conditions for tripping and resetting devices are outlined.
Technical Data
- Permissible ambient conditions are established for operational efficiency.
- Technical specifications for protective relays and pressure monitoring devices are provided.
- Limit values for dielectric strength and water content in insulating fluids are specified.
Diagrams and Drawings
- Installation drawings for various selector sizes of the OILTAP® R are included.
- Functional diagrams for components such as protective relays convey installation requirements clearly.
Glossary
- Terminology related to on-load tap-changer technology is defined, enhancing understanding of the technical document.### Product Components
- Snap-action switch is included in product design to ensure rapid and reliable operation.
- Pressure measuring element is a critical component for monitoring pressures within the device.
Pressure Relief Devices
- Rupture disk acts as a pressure relief device, designed per IEC 60214-1 standards, located in the on-load tap-changer head cover.
- The rupture disk activates in response to predefined overpressure conditions in the oil compartment, providing safety and operational integrity.
- MPreC® pressure relief device can be supplied upon request as an alternative to the rupture disk, also responding to specified overpressure levels in the oil compartment.
Monitoring Systems
- Tap-change supervisory device is essential for monitoring the drive shaft and the diverter switch’s operation within the on-load tap-changer.
- It ensures accurate switching, preventing operational failures and enhancing safety.
Connection Contacts
- Change-over selector connection contacts for reversing change-over are designed similarly to tap selector connection contacts, ensuring consistency in functionality.
- These contacts include terminal lugs that are crimped and equipped with through-holes for M12 screws, facilitating secure connections.
- Coarse change-over selector connection contacts are constructed like other connection types, indicating a standard approach to design and assembly across different sizes (C/D).
Mounting Guidelines
- Specific mounting instructions are provided for connection contacts to ensure proper setup and functionality of the tap-changer system.
- Screening caps for the change-over selector connection contacts are supplied separately, indicating attention to detail in component protection.
Safety Overview
- Familiarize with the product through the technical file and observe safety instructions.
- The product is engineered with state-of-the-art technology but improper use can pose risks to life and property.
- The OILTAP® R is designed as an on-load tap-changer to adjust transformer transmission ratios without disrupting load flow.
Intended Use
- Use exclusively with the specified transformer/motor-drive unit; ensure matching serial numbers for all components.
- Follow technical guidelines, delivery conditions, and operate within prescribed limits outlined in the technical file.
- Installation and operations must be carried out by qualified personnel, utilizing only tools and equipment specified.
Operating Conditions
- Designed for 50/60 Hz sinusoidal alternating current and can handle 2x rated through-current at rated step voltage.
- Unauthorized modifications can lead to injury and operational faults; consult the manufacturer before making changes.
Spare Parts
- Only utilize spare parts approved by Maschinenfabrik Reinhausen GmbH, as unapproved parts can cause malfunctions.
- Contact the manufacturer for any unclear issues regarding parts and maintenance.
Personnel Qualification
- Qualified personnel must ensure all involved in assembly, commissioning, and maintenance are adequately trained.
- Electrically skilled persons should identify dangers, work safely with electrical systems, and comply with accident prevention regulations.
- Electrically trained personnel must receive guidance from electrically skilled individuals regarding tasks and safety measures.
Pressure Monitoring Device
- Comes standard with the protective relay as part of the MR protection system; requires the installed protective relay for operation.
- Two design variants available for the pressure monitoring device: one for vertical and one for horizontal installation.
- The device's housing is made of lightweight, corrosion-resistant material.
Transport and Storage Guidelines
- Follow strict safety measures to prevent injuries during the transport of the unit; never transport an open crate.
- Ensure loads are secured and transport using certified personnel with appropriate lifting gear.
- Protect against physical impact during transportation to avoid damage, including dropping or tipping.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
This quiz focuses on the installation and commissioning instructions for the OILTAP® R on-load tap-changer. Test your knowledge on the guidelines and protocols necessary for proper setup and operation to ensure efficient functionality. It's ideal for engineers and technicians working in the field of electrical installations.
