The World of Warcraft dev team has posted a new handy-dandy guide to Conquest Points and using them wisely in pursuit of PvP glory. The guide gives players information about how Conquest points are earned and the weekly cap totals on the number of points that can be earned.
If you want to be able to earn more than 1,343 Conquest Points in a single week, then you'll need to increase your personal rating above 1,500 by participating in Rated Arenas or Rated Battlegrounds. Only your best personal rating counts, and as you improve and bring your rating over 1,500, your weekly point cap will rise as well -- and if you manage to achieve a very high rating, your weekly cap could approach 3,000.
Read more here.