The phrase 'an array of changes' is correct and usable in written English.
You can use it when you want to refer to a wide variety of changes or a variety of changes that you have noticed. For example: "The landscape of downtown has undergone an array of changes over the past few years."
As part of the settlement, Sony BMG agreed to an array of changes.
They have been demanding that he carry out an array of changes in House rules to empower individual lawmakers.
Many economists say that to lift these economies out of their sluggishness, Europe's major countries need to undertake an array of changes that will shake up their labor markets and reduce the role of the state in the economy.
In addition, a group of freshman Democratic senators has proposed an amendment that includes an array of changes meant to further reduce health care spending, including added authority for a new commission charged with identifying savings in Medicare.
It was taken over in December by Rupert Murdoch's News Corporation, and Mr. Murdoch and the publisher he installed, Robert Thomson, made an array of changes in the organization and content of The Journal.
Jos. A. Banks, which offers men's clothing in three different tiers of luxury, is also booming; its chief executive has instituted an array of changes, including thank you notes to those who buy.
D. magna develops an array of morphological changes in the presence of Triops including changes of carapace morphology and cuticle hardening.
But viewers warmed to two new judges, Jennifer Lopez and Steven Tyler, and accepted an array of format changes.
Along with increased spending has come an array of policy changes, often after consultation with the F.B.I.
He outlined an array of other changes, like moving government procurement to the Internet and creating a chief information officer, and spending $100 million to promote e-commerce proposals.
It not only required that demands for records show at least an indirect connection to a suspected foreign agent, but it also implemented an array of procedural changes designed to check the secret expansion of surveillance authorities.
