The utility model discloses a primary control remote testing optimizing apparatus based on cogeneration of heat and power data source, wherein after suing for peace, two numerical value that first adder provided combined heat and power generation system deliver to the multiplier, the subtracter is delivered to with first adder's output and the quadrature of first analog quantity generator all the way to the multiplier, delivers to second adder all the way, the subtracter links to each other with first analog quantity selector, second adder links to each other with second analog quantity selector, first analog quantity selector and second analog quantity selector link to each other with primary control remote testing system respectively. The utility model discloses beneficial effect: can carry out the dynamic adjustment to the load adjustment interval of unit according to the real -time extraction flow of unit, make the experiment in the unit should have the load of regulation interval, guarantee the experiment and can verify effectively whether the primary control ability of unit satisfies the regulation requirement.