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FS#1295 — FS#5297 — RBX1 et RBX3 : Generators test

Attached to Project— Datacenters
Maintenance
Roubaix 1
CLOSED
100%
We will perform a periodic test of our generators on this Friday, 01/04/2011 at 11:30.

Date:  Friday, 08 April 2011, 14:18PM
Reason for closing:  Done
Comment by OVH - Friday, 01 April 2011, 12:28PM

The test displayed some problems on the 5th group:
- One of the card protection is defective (already met when starting the installation)
- slight imbalance between the different groups.

The central generator has all the same started and held the load (through redundancy).

The installer will perform the necessary corrections and we will have a new test at about 14 hours.


Comment by OVH - Friday, 01 April 2011, 14:55PM

The changes were made.
We'll start the 2nd test.


Comment by OVH - Friday, 01 April 2011, 15:02PM

Once again, the central generator has taken the load, but
the 5th group does not operate correctly with its embedded
protections

The central Generators remain available (in N instead of
N+1). The EDF rescue is now present so we keep a double
HTA redundancy .

The installer will continue work on Monday.



Comment by OVH - Monday, 04 April 2011, 11:11AM

We will make a new test this Monday 04/04/2011 at 11h15.


Comment by OVH - Monday, 04 April 2011, 12:00PM

The 5th group's behaviour is still abnormal without
interfering with the functioning of the other 4 groups.

So test OK but problems is to fix on No. 5.


Comment by OVH - Wednesday, 06 April 2011, 14:02PM

We are now conducting a new test, Wednesday the 6th of April, 2011 at 13h.



Comment by OVH - Wednesday, 06 April 2011, 22:14PM

The test was only partially successful.
Problems remain present with the group 5.

The technicians require a new test tomorrow morning.


Comment by OVH - Friday, 08 April 2011, 10:50AM

A new parameter was modified.
We will do a new test this Friday at 10h15.


Comment by OVH - Friday, 08 April 2011, 14:18PM

The parameter changed this morning regarding the communication between the generators.
The central one functions perfectly now. The 5 generators restart at the same time, take the load in a homogeneous way.

We will validate therefore the reception of the 5th generator.

We will do all the same repeated tests next week.