This policy applies to small-size submersible motor-pumps with rated power no larger than 22kW that are single- or three- phase and single- or multi- stage.
This policy is applicable to oil-immersed distribution transformers and dry-type distribution transformers with three-phase 10 kV voltage level, non-excitation voltage regulation, rated frequency of 50 Hz and rated capacity of 30 kVA ~ 2,500 kVA; oil-immersed power transformers with 35 kV ~ 500 kV voltage level, rated frequency of 50 Hz and rated capacity of 3,150 kVA and above; oil-immersed transformers and dry-type transformers with three-phase 6 kV ~ 35 kV voltage level, non-excitation voltage regulation, rated frequency of 50 Hz and rated capacity of 500 kVA and above for photovoltaics, wind power and energy storage on the new energy power generation side; oil-immersed transformers with three-phase 66 kV voltage level, non-excitation voltage regulation, rated frequency of 50 Hz and rated capacity of 3,150 kVA ~ 20,000 kVA for photovoltaics, wind power and energy storage on the new energy power generation side. This policy is not applicable to inflatable transformers, tower transformers and engine room transformers.
This document specifies the minimum allowable values of energy efficiency, the energy efficiency grades and test methods for power transformers. The policy applies to oil-immersed and dry-type distribution transformers. It will enter into effect on 1 February 2025.
Applies to external power supplies which convert AC current with 220V and 50Hz to single voltage DC -no higher than 36V- or single voltage AC -no higher than 36V- current.It applies to products with rated output power no larger than 250W. Does NOT apply to DC-DC transformer.
Applies to those AC contactors with rated frequency of 50Hz; rated voltage no higher than 1140V; and rated current between 9A-630A. Does NOT apply to AC contactors with external power saving device or semi-conductor type -solid type contactor
This policy applies to general purpose electric motors or general purpose anti explosion electric motors with the following characteristics: three-phase AC with voltage lower than 1000V and frequency of 50Hz; rated power between 0.75kW-375kW; number of poles of 2; 4; and 6; single-speed closed self-fan cooling; N design.
Applies to High-pressure sodium lamps with transparent glass cover for outdoor lighting service, and power ranges from 50W-1000W with matching ballasts and ignitors and can be started and operate normally with 92-106 percent of rated voltage.
This policy applies to out-coupling and inner-coupling, single-capped, electrode-less fluorescent lamps with rated power between 30W and 400W; 220V 50Hz