Iterative Decomposition of Joint Chance Constraints in OPF

In chance-constrained OPF models, joint chance constraints (JCCs) offer a stronger guarantee on security compared to single (SCCs). Using Boole's inequality or its improved versions decompose JCCs into SCCs is popular, yet the conservativeness introduced still significant. this letter, non-parametric iterative framework proposed achieve decomposition of with negligible conservativeness. An adaptive risk allocation strategy also and embedded in framework. Results IEEE test cases show that using nearly eliminated, thereby reducing generation cost considerably.