Need help?Do you have a question about the Arteche DDB Series and is the answer not in the manual?
Guidance on manual accessibility, qualified staff, and pre-use familiarization.
Emphasizes qualified personnel and adherence to safety measures for operation and maintenance.
Details on proper disposal of oil and impregnated products, and oil spillage management.
Overview of the manual's purpose: construction, installation, commissioning, and monitoring of transformers.
Lists the specific ARTECHE transformer series (DDB, DFK, DDN, DFN) covered by this manual.
Explains the construction of capacitive voltage transformers, including capacitor units and the oil-paper insulation system.
Guidelines for safe transport, emphasizing vertical positioning and proper packaging.
Procedures for inspecting packages upon arrival for damage and reporting any anomalies.
Instructions for proper storage, including maintaining an upright position and packaging integrity.
Critical safety points for handling transformers, avoiding primary terminals and ensuring secure lifting.
Verification steps before mounting, including checking electrical characteristics and platform placement.
Sequential steps for assembling multi-unit transformers, including connections between units.
Details on making primary connections, including contact surface preparation and torque specifications.
Guidance on connecting secondary wires, handling unused windings, and terminal tightening.
Essential information on proper grounding of the transformer and its terminals for safety.
Overview of maintenance requirements, noting no active maintenance is needed, but monitoring is suggested.
Check for impact, damage, loose parts; electrical connections state; oil leaks and level.
Evaluate insulation; PF/DDF/tgd; insulation resistance; ratio test.
Detect hot spots using thermographic cameras.
Repeat regular tests after 20 years or major network disturbance.
Cause: oil residues or loose junctures. Countermeasure: observe, tighten, contact Arteche.
Cause: components damage. Countermeasure: Contact ARTECHE.
Cause: oil leakage or overpressure. Countermeasure: Remove from service, contact ARTECHE.
Cause: blows or improper handling. Countermeasure: Contact ARTECHE.
Assesses insulation using tand/capacitance tests; covers Cn, C1, C2 measurements and procedures.
Checks transformer insulation integrity; details common tests using a megohmmeter.
Verifies transformer ratio and polarity using a TTR, including connection procedures.
General| Insulation | Class F or H |
|---|---|
| Primary Voltage | Up to 36 kV |
| Frequency | 50 Hz / 60 Hz |
| Application | Distribution |
| Type | Dry Type |
| Cooling Type | AN |
| Protection Degree | IP00 |
To Next Page