DAHU electrical specializes in the production of 0.5-40.5kv transformers. It has cooperated with many national power bureaus for 10 years and exported to foreign markets. If
there is any quality problem within the warranty period, it can be replaced free of charge.
JDZXR-10 voltage transformer: This is a 10kV voltage transformer, belongs to the casting type single-phase voltage transformer, dry type voltage transformer with fuse. Suitable for indoor installation, measurement voltage transformer, also as measurement, protection voltage transformer. This type of transformer with a fuse protection, the fuse is installed in the internal transformer. First and second windings and core structure cast in epoxy resin, excellent insulation, moisture resistance.
The primary and secondary windings and core structure are cast in epoxy resin.
Fuse protection: 10kV voltage transformer using RN2 type (or RN4 type) indoor high-voltage fuse, the fuse rated current of 0.5A, 1 minute fuse melting current of 0.6A ~ 1.8A, the maximum breaking current of 50kA, the three-phase maximum interrupting capacity of 1,000MVA-A, the fuse has a (100 ± 7) Ω resistance, and the fuse tube with quartz sand The fuse has (100±7)Ω resistance, and the fuse tube is filled with quartz sand, so this kind of fuse has very good arc extinguishing performance and large current breaking capacity.
Technical specification: 10kV (35kV)
Technical specification: 10kV (35kV) PT primary fuse technical specification book mentions the functional requirements and performance indicators of the voltage transformer primary fuse, in order to improve the voltage transformer primary fuse and its accessories operation and maintenance level
The primary fuses are used to improve the operation and maintenance of voltage transformer primary fuses and their accessories.
The role of the fuse: voltage transformer primary side and secondary side of the fuse is installed in order to prevent the high-voltage system by the voltage transformer itself or the primary lead side faults, in the primary side of the voltage transformer (high-voltage side) to install the fuse protection
The purpose of installing fuses is to protect the primary side (high voltage side) of the voltage transformer from faults on the voltage transformer itself or the primary lead side.
Application of fuse protection: in the 10kV neutral ungrounded system, the use of insulated three-phase five-column voltage transformer, when the high-voltage side of a phase fuse blown, due to the other two phases of the normal phase voltage phase difference of 120 °, the synthesis of the result of the zero-sequence voltage, in the iron core will produce a zero-sequence flux, in the zero-sequence flux, the secondary open-delta connection of the windings between the end of the end will appear a 33V or so of zero sequence voltage, and connected to the open delta end of the voltage relay is generally specified, the set value of 25V-40V, so it is possible to start, and issued a "grounding" for the alarm signal
This information provides the information for the 10KV single relay.
This information provides a detailed description of the 10KV single-phase cast insulated voltage transformer with fuse protection, including the construction of the transformer, the type of fuse and the protective effect.
Audited Supplier 
JDZXR-10 voltage transformer: This is a 10kV voltage transformer, belongs to the casting type single-phase voltage transformer, dry type voltage transformer with fuse. Suitable for indoor installation, measurement voltage transformer, also as measurement, protection voltage transformer. This type of transformer with a fuse protection, the fuse is installed in the internal transformer. First and second windings and core structure cast in epoxy resin, excellent insulation, moisture resistance.
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