The phrase "a big array of" is correct and usable in written English.
It can be used to describe a large variety or collection of items, options, or elements in a particular context.
Example: "The conference featured a big array of speakers from various industries, each sharing their unique insights."
Alternatives: "a wide range of" or "a large selection of".
Larger optical telescope mirrors, a bigger array of radio antennas and more-powerful computers are necessary to catch and process more photons.
The new model can do 2.5 knots, carrying in its horizontal computer rack a bigger array of sensors, computers and radios that send data back to shore.
Technology is taking the middleman out of the music business, giving artists a bigger array of tools to get their songs in the MP3 players of potential fans around the world.
It said it believed that it would lure more shoppers during the holidays with a new credit card program that offers 5 percent off all purchases and a bigger array of fresh food.
"We're offering a bigger array of vehicles and engines than before," said Richard Truett, Ford's powertrain communications manager, in a telephone interview, adding that Ford has sunk more resources into marketing than in recent years.
As onetime tech pioneers have found themselves struggling to keep up with advancements like cloud computing — and often found themselves the targets of activist hedge funds who have called for merger activity — firms like Thoma Bravo have enjoyed a bigger array of potential targets to buy.
More than 80 Ugandans and foreigners watching the World Cup football final on July 11th were killed.If the Shabab's strategy is to provoke Uganda and others into sending more soldiers so as to provide a bigger array of juicy targets for the Islamists, then Uganda's president, Yoweri Museveni, is obliging them.
The bills also cover a large array of other issues, big and small, including tracking mechanisms such as bar coding to follow marijuana from the time it is planted until sold to consumers.
While some worried that economic woes would keep the studios away and the crowds down, the presentations were even bigger than in previous years and featured, if anything, an even bigger array of top names.
