The most common and most likely answer to this crossword clue is the 10 letter word ALTERNATOR
I've seen this crossword clue in The Daily Telegraph
A
L
T
E
R
N
A
T
O
R
More clues leading to the result ALTERNATOR
- Change new schedule that’s upset Dynamo?
- Current provider‘s key rate on supply meeting resistance
- Eric’s mate knocked back roll, holding onto key that belongs to car?
- Change international organisation? Right, it can be part of a power system
- Reform at NATO by end of war to get electrical equipment
- Generator of current reform met by security alliance with resistance
- A rattler on bent car part
Buddy explains!
The straight part
We know that "part of a power system" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case part of a power system = alternator.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ALTERNATOR mean?
ALTERNATOR noun- An electric generator which produces alternating current through mechanical means.