KVA 50% L d T t l L

Wes Patterson, DOE Negotiating Committee, 04 Nov 2011

KVA vs 50%

Loa

d

T

o

t

al Loss

MVLF

© ABBMonth DD, YYYY | Slide 1
MVLF-1ph ALL designs (including out-of-sc

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ... 2 ...3 ...

dEL2 dEL3

Where CGO 

and SA coexist

15%-20% reduction

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dEL2-dEL3is a stretch

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Unrestricted losses

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





dEL2-dEL3

dEL2-dEL3

© ABBMonth DD, YYYY | Slide 2
MVLF-3ph ALL designs (including out-of-sc

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ... 2 ...3

...

Where CGO 

and SA coexist

15%-20% reduction

dEL2-dEL3

Unrestricted losses







STD-10%-20%-30%-40%

© ABBMonth DD, YYYY | Slide 3

-50%
Scratch Sheets
MVLF-1ph ALL designs (including out-of-sc

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ... 2 ...3 ...

Unrestricted losses

© ABBMonth DD, YYYY | Slide 5
MVLF-3ph ALL designs (including out-of-sc

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ... 2 ...3 ...

Unrestricted losses

STD-10%-20%-30%-40%

© ABBMonth DD, YYYY | Slide 6

-50%
Reference Data
MVLF ALL designs (including out-of-scope) 

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ...2 ... 3 ...

4 ...

2

Average Trend 

before 2010 STD

3⁄4 rule

2010 STD 1ph

© ABBMonth DD, YYYY | Slide 8
MVLF ALL designs (including out-of-scope) 

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 The current 

standard represents a loss reduction of- 45% for small KVA

- 35% for large KVA 35% for large KVA

2 ... 3 ...4 Large 1ph ... 45%

For same KVA rating

-45%

2010 STD 1ph

For same KVA ratingthe 1ph loss is equalto 0.75 x 3ph 

Large 1ph

-35%

Small 1ph

-45% Small 3ph

-45%

© ABBMonth DD, YYYY | Slide 9
MVLF ALL designs – DOE KVA scope 

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ...2 ... 3 ...

4 ...

STD-10%-20%-30%-40%-50%

STD-10%-20%-30%-40%-50%

© ABBMonth DD, YYYY | Slide 10
MVLF ALL designs – ABB-GO and OPS-SA 

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ...2 ... 3 ...

4 ...

STD-10%-20%-30%-40%-50%

STD-10%-20%-30%-40%-50%

© ABBMonth DD, YYYY | Slide 11
MVLF ALL designs – ABB-M3 and OPS-M3

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ...2 ... 3 ...

4 ...

STD-10%-20%-30%-40%-50%

STD-10%-20%-30%-40%-50%

© ABBMonth DD, YYYY | Slide 12
MVLF ALL designs – ABB-M3 and OPS-M3 

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ...2 ... 3 ...

4 ...

STD-10%-20%-30%-40%-50%

STD-10%-20%-30%-40%-50%

© ABBMonth DD, YYYY | Slide 13
MVLF ALL designs – Pads

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ...2 ... 3 ...

4 ...

STD-10%-20%-30%-40%-50%

STD-10%-20%-30%-40%-50%

© ABBMonth DD, YYYY | Slide 14
MVLF ALL designs – Poles

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ...2 ... 3 ...

4 ...

STD-10%-20%-30%-40%-50%

STD-10%-20%-30%-40%-50%

© ABBMonth DD, YYYY | Slide 15
MVLF ALL designs – Networks

KVA (x-axis) vs 50% Load Total Loss (y axis) vs 50% Load Total Loss (y-axis

1 ...2 ... 3

STD

...

4 ...

-10%-20%-30%-40%-50%

STD-10%-20%-30%-40%-50%

© ABBMonth DD, YYYY | Slide 16