rozdzielnice dwujęzyczne

MNS DTR / MNS Service 109
Item
no.
Work to be performed
Measured, test & limit values, operating & auxiliary materials
• Cable connection • Insulation molten or even corroded
• Screwed connection at electrical equipment • For tightening torque, cf. manufacturer´s instructions
− Insulation
Frequency
Install. category
A B C Remarks
Check controller module
• Check controller settings
− C/k value • In accordance with manufacturer´s operating instructions
− cosϕ setpoint
− response time • Approximate value 60 s
• Check step triggering Power circuit open, i.e.
fused switch disconnector
removed
2.3 Direct connection (incoming and outgoing feeders
with circuit breaker)
Analogous to item 1.3
“Gen. inspection of
switchgear assembly”
Additional checks:
• Check main switching device • Visual inspection of main connections 1° 6m X Procedure in
• Color change at switch main connections accordance with
• Condition of main and eroded contacts manufacturer´s
• Function test 1a 6m X instructions
• Check current transformer arrangement • Fastening of transformers
• Secondary cable routing
• Condition of transformer housings
• Check supports at angle and connection sets • Check screwed connections
• Mechanical condition of supporting plate 1a 6m X
• Condition of partitioning (if available) • Formation of creepage paths
• Check external connections • Check screwed connections
• Check cable strain relief
• Cable routing, min. bending radii, edge protection, etc.
Konserwacja i czci zamienne Maintenance
and Spare Parts 5