atw 2019-05

viktor.frank

atw Vol. 64 (2019) | Issue 5 ı May

298

Emsland

REPORT

Operating sequence in 2018

Electrical output in %

100

90

80

70

60

50

40

30

20

10

0

January February March April May June July August September October November December

100

80

60

40

20

Apart from the 19 days refuelling outage the Emsland nuclear power

plant had been operating uninterrupted and mainly at full load during

the review period 2018. Producing a gross power generation of

11,495,686 MWh with a capacity factor of 94.67 % the power plant

achieved a very good operating result.

Planned shutdowns

31 th refuelling and overall annual maintenance inspection:

The annual outage was scheduled for the period 25 May to 13 June.

The outage took 19.0 days from breaker to breaker. In addition to the

replacement of 40 fuel elements the following major maintenance

and inspection activities were carried out:

pp

Inspection of core and reactor pressure vessel internals.

100

pp

Inspection of a reactor coolant pump.

pp

Inspection of pressurizer valves.

80

pp

Pressure test on different coolers and tanks.

pp

Inspection on main condensate pump.

60

pp

Maintenance works on different transformers.

pp

Different automatic non-destructive examinations.

0

40

Unplanned shutdowns and reactor/turbine trip

Turbine scram due to increased turbine vibrations after the end of the

outage.

Power reductions above 10 % and longer than for 24 h

22 April to 25 May: Stretch-out operation.

Delivery of fuel elements

24 Uranium-fuel elements were delivered.

Waste management status

4 CASTOR © cask loading were carried out during the review period

2018. At the end of the year 47 loaded casks were stored in the local

interim storage facility.

20

0

Positionierung:

Bezug, links, unten

X = 20,475 Y = 95,25 B = 173,5 H = 38,2

VGB: HKS6K 30 %

atw: 100 60 0 0

Report

Operating Results 2018

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