This standard stipulates that the submersible electric pump unit for oil wells includes: submersible motor (referred to as motor), motor protector (referred to as protector), oil-gas separator (referred to as separator), submersible pump (referred to as pump), submersible cable ( Cables for short), test methods for control cabinets and transformers. This standard applies to the test and acceptance of submersible electric pump units used in onshore oil fields. Submersible electric pump units used in offshore oil fields can also be used as a reference.