Based on large grid operating practices

the paper focuses on proposing a fundamental theory to systematically solve power balancing problems of “new-type power system”

which figures with randomness

interconnection

diversification and coordination. First

random variables are substituted into conventional basic power balancing equations

so as to deduce new-type basic power balancing equations with algebraic forms

through which power balancing risks and conventional power balancing variables can be simply analyzed at the same dimension. Next

new-type integrated power balancing equations with random variables are deduced

for which a special solving method based on numerical calculation is proposed. Unified power balancing analysis is then realized by new-type integrated power balancing equations

considering randomness affection

power balancing integration and full elementization. Then

when combining theoretical analysis with engineering practices

engineering power balancing types for new-type power system are designed to coordinate power balancing objects such as power supply reliability and new energy consumption; furthermore

the concept of "power balancing panoramic space" is proposed to describe ‌the development direction of new-type power system’s power balancing technology. And “computing power” is concluded in the paper to be a key factor of new-type power system’s power balancing analysis. Finally

all the theoretical analysis is verified by examples to be effective and meaningful.