Wellsite system for electric drive fracturing

A wellsite system for electric drive fracturing, comprising a gas source, a power supply system, electric drive fracturing equipments, electric drive sand blenders, a sand supply equipment, a liquid supply equipment, instrumentation, two high-low pressure manifolds, wherein the power supply system is a gas turbine generator set, the gas source provides fuel for the gas turbine generator set, the gas turbine generator set provides power for the electric drive fracturing equipments and the electric drive sand blenders respectively, the sand supply equipment and the liquid supply equipment are both connected to input ends of the electric drive sand blenders, output ends of the electric drive sand blenders are connected to the electric drive fracturing equipments through one high-low pressure manifold, the electric drive fracturing equipments are connected to a wellhead through the other high-low pressure manifold, the instrumentation is used for remote control of the electric drive fracturing equipments and the electric drive sand blenders,

• wherein the gas turbine generator set comprises one gas turbine engine, one generator, multiple rectifying units and multiple inversion units, one end of the generator is connected to the gas turbine engine, the other end of the generator is connected to the rectifying units, and the generator is a double-winding generator,
• wherein the generator has a phase difference of double winding of 30°, and a winding configuration of type Y-Y or type D-D, and the generator outputs an alternating voltage ranging from 1600 VAC to 2300 VAC.