Product Series

Science and Technology Zhongpeng creates the future, focusing on technology innovation and promotion in the field of power distribution

High-temperature resistant high overload oil-immersed transformer

Features
· Strong overload resistance: It can withstand 1.5 times of 6 hours, 1.75 times of 3 hours, 2 times overload of 1 hour on the basis of rated temperature rise, and does not affect the service life of the transformer.
· Overload and no life loss: It adopts the only UL-certified DuPont Nomex T910 insulation paper, with Class B insulation system, with higher temperature rise limit, and ordinary transformer is Class A insulation system.
· Highly reliable safety performance: The high-overload transformer oil imported from the United States is used. The ignition point and flash point are much higher than ordinary transformer oil, and it has higher safety performance under high temperature conditions.
· Superior comprehensive economic operation efficiency: In the use of Taiwan, high overload transformers have higher comprehensive economic benefits.
· The performance level is consistent with ordinary transformers: the two parameters are in the same level, that is, the high overload transformer can achieve high strength overload capability without sacrificing other electrical performance.
Applicable place
Be applicable to the distribution area with low annual average load rate, large load peak-valley difference and substantial load increase in short time during spring festival and busy farming season.
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High-temperature resistant vegetable oil distribution transformer

Features
· Environment protection: the vegetable oil of vegetable oil transformer is renewable and biodegradable compared with common mineral oil. The degradation rate within 21 days exceeds 98%, and it will not pollute the environment and endanger the human health really.
·Safety: with high flame retardancy. The traditional mineral oil transformer may be blasted due to low ignition point (150-200℃), while the ignition point of vegetable oil is up to 360 and the flash point is up to 330.
· High overload: the temperature rise of high overload transformer is increased by 10K to ensure its overload capacity based on normal service life and fully meet the overload requirement of distribution network
· Low noise: the noise of vegetable oil transformer is more than 2dB lower than that of mineral oil transformer and about 10dB lower than that of dry type transformer.
· Long service life: compared with mineral oil, the vegetable oil can reduce the ageing time of insulating paper by 5-8 times significantly and prolong the service life of transformer by 33% (up to 30-40 years)
·Good moisture resistivity: the voltage withstand level can be reduced only when the water content in vegetable insulating oil is more than 800mg/kg, which is increased by several times compared with the critical point (40mg/kg) of mineral insulating oil.
Applicable place
Areas with high environmental protection requirement, such as water source and scenic area;
Places with high safety requirement, such as streets, village in the city and other densely-populated areas;
Places with high load rate, such as industrial enterprises and commercial plaza;
Areas with frequent overload phenomena.
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On-load regulating capacity and voltage transformer

Features
· Regulate voltage automatically and improve the voltage quality: detect the line voltage in real time, and control the tap switch to realize automatic voltage control of transformer according to the preset logic and algorithm and the line voltage fluctuation.
· Regulate capacity automatically, save energy and reduce consumption: detect the line current in real time, identify whether the transformer works in light load or heavy load automatically, and complete the capacity adjustment of transformer within 40ms according to preset logic and algorithm; reduce the no-load loss greatly in small capacity gear, and achieve the purpose of energy saving and consumption reduction.
· "Three-remote" function: support GPRS wireless communication and RS485 serial port communication, monitor the operating condition of transformer remotely, check and modify the parameters, and realize automation of distribution network area.
· Good man-machine interface: the controller is provided with a Chinese LCD screen and a built-in WIFI module so that the maintenance personnel can check the working condition of transformer through LCD screen or mobile phone APP without the need of outage and improve the maintenance efficiency.
· Miniaturized design, small volume and convenient installation: the on-load tap switch is of a combination structure to realize miniaturized design. The switch is installed horizontally without independent oil chamber, and the vacuum pipe is arc-extinguishing and simple in structure. The transformer is compact in volume and convenient to install.
· Free of maintenance and long in service life: oil filtration is unnecessary during operation, periodic maintenance is not needed, and the service life of tap switch is 50,000 times, and the mechanical service life is 100,000 times.
Applicable place
Be applicable to the distribution area with low voltage qualified rate and long proportion in no/light-load period.
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Wide on-load voltage regulation transformer

Features
· Multi-position and wide voltage regulation: 9 voltage regulation positions; voltage regulating range: ±10% and ±20%.
· Primary and secondary fusion of transformer: The transformer not only realizes automatic voltage control, abut also expands the monitoring of operating condition (current, voltage, oil temperature and pressure, etc.) to realize the primary and secondary fusion.
· "Three-remote" function: support GPRS wireless communication and RS485 serial port communication, monitor the operating condition of transformer remotely, check and modify the parameters, and realize automation of distribution network area. Good man-machine interface: The controller is provided with a Chinese LCD screen and a built-in WIFI module so that the maintenance personnel can check the working condition of transformer through LCD screen or mobile phone APP without the need of outage and improve the maintenance efficiency.
· Miniaturized design, small volume and convenient installation: the on-load tap switch is of a combination structure to realize miniaturized design. The switch is installed horizontally without independent oil chamber, and the vacuum pipe is arc-extinguishing and simple in structure. The transformer is compact in volume and convenient to install.
· Free of maintenance and long in service life: oil filtration is unnecessary during operation, periodic maintenance is not needed, and the service life of tap switch is 50,000 times, and the mechanical service life is 100,000 times.
Applicable place
Be applicable to the areas with large voltage fluctuation, such as the areas with large seasonal and daily load change and small hydropower generating areas.
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S11, S13-M oil-immersed transformer

Features
· Vacuum filtering and oil injection process, fully-enclosed structure,
· Hard to damp, long in service life and free of maintenance.
· Compact in design structure and low in noise.
· Small in corrugated tank and artistic in appearance.
Applicable place
Be widely applied to industrial and mining enterprises, agricultural and civil building, or the places with much oil stains and chemical in petroleum and chemical industry.
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Amorphous alloy oil transformer

Features
· Low loss: the core of transformer is coiled by amorphous alloy, and the no-load loss ratio is about 75% lower than that of S9 transformer
· Resistant to short-circuit: the transformer low voltage is made of copper foil coil to increase the capacity for undertaking short-circuit.
· Optimize the power quality: the connection group of transformer is Dynll to reduce the influence of harmonic on grid and improve the power quality.
·Maintenance-free: the tank and cover are an integrated fully-enclosed structure, long in service life and free in maintenance.
·Good insulating property: the transformer is filled with oil in a vacuum mode to completely eliminate the bubbles in coil and ensure the stable insulating property
Applicable place
Installed in high-rise buildings, business centers, metros, airports, stations, industrial and mining enterprises and power plants, especially applicable to the places with high fire protection requirements such as inflammables and explosives.
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SC(B)10, SC(B)11, SC(B)12, SC(B)13 type resin insulated dry type transformer

Features
· Safety: fire-resistant, non-polluting, corrosion-resistant, can be installed directly in the load center.
· Moisture-proof: It can operate normally at 100% humidity.
· Maintenance-free: easy to install and low overall operating costs.
·Excellent performance: low loss, low partial discharge, low noise, high mechanical strength, strong short-circuit resistance, strong heat dissipation capacity, 130% rated load operation under forced air cooling conditions.
· Temperature control guarantee: equipped with a complete temperature protection control system to provide reliable protection for the safe operation of the transformer. According to the operation report of the products that have been put into operation, the reliability index of the products has reached the international advanced level.
Applicable place
This product can be widely used in power transmission and transformation systems, hotels, restaurants, high-rise buildings, commercial centers, stadiums, petrochemical plants, subways, stations, airports, offshore drilling platforms, etc. It is especially suitable for load centers and with special fire protection requirements. occasion.
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SG (B) 10 and SG (B) 11 non-encapsulated dry type transformer

Features
· Dustproof and damp-proof: the appearance is coated with special waterproof materials to form a dustproof, damp-proof and anti-pollution special protective layer.
· Small size and light weight: DuPont NOMEX paper is taken as the main insulating material, the volume and weight can be reduced by 20% compared with epoxy casting type transformer in same capacity.
· Strong cooling capacity: multi-layer cylindrical, longitudinal multi-air-channel structure, better in cooling effect compared with epoxy casting transformer
·Environment protection: Reliable, free of combustion-supporting resin, non-toxic, able to be decomposed and recycled, and pollution-free
Especially applicable to the areas with high temperature, humidity and dirt in China such as hydropower plant, thermal power plant, steel works, chemical engineering and mine.
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SG (B) 10 and SG (B) 11 non-encapsulated dry type transformer

Features
· Dustproof and damp-proof: the appearance is coated with special waterproof materials to form a dustproof, damp-proof and anti-pollution special protective layer.
· Small size and light weight: DuPont NOMEX paper is taken as the main insulating material, the volume and weight can be reduced by 20% compared with epoxy casting type transformer in same capacity.
· Strong cooling capacity: multi-layer cylindrical, longitudinal multi-air-channel structure, better in cooling effect compared with epoxy casting transformer
·Environment protection: Reliable, free of combustion-supporting resin, non-toxic, able to be decomposed and recycled, and pollution-free
Applicable place
Especially applicable to the areas with high temperature, humidity and dirt in China such as hydropower plant, thermal power plant, steel works, chemical engineering and mine.
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Prefabricated substation (European type)

Features
· The box color can be selected so as to match with the surrounding environment. The case is made of SMC, stainless steel sheet and composite board to meet different customization requirements.
· The substation base is made of galvanized box iron or cement, so it is strong in corrosion resistance.
· The top cover of the box adopts a double-layer structure with good heat insulation, radiation protection and ventilation effects.
·There is an automatic exhaust device on the top of transformer room to regulate the indoor temperature.
Applicable place
Be applicable to the places without severe factors such as fire hazard, explosion risks, serious dirt, chemical corrosion and violent vibration, widely applied to outdoor power supply places such as cities, residential communities, hotels, hospitals, plants and mines, airports, railways and wharfs currently.
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Combined transformer (American type)

Features
· Small volume, compact structure, the floor area is only about 1/3-1/5 of that of domestic European box-type substation in the same capacity.
· Fully insulating structure, safe and reliable.
· S13 transformer with low loss and noise and strong overload capacity
· Flexible and reliable power supply mode, applicable to ring network and terminal.
· Various low voltage feed-out requirements can be satisfied and low-pressure measurement and outgoing line can be added as required by the customer.
· Strong in corrosion resistance due to special process treatment, made of ordinary steel sheet or stainless.
Applicable place
Be applicable to the places without severe factors such as fire hazard, explosion risks, serious dirt, chemical corrosion and violent vibration, widely applied to outdoor power supply places such as cities, residential communities, hotels, hospitals, plants and mines, airports, railways and wharfs currently.
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Complete set of GCK low-voltage switchgear

Features
· Compact design, containing more functional units with smaller space.
· Flexible assembly, meeting the requirements of structural types, protection grades and using environments.
· Standard modular design, assembling freely according to the user's need.
· High safety, effectively strengthening the protection safety performance due to the adoption of high-strength flame-retardant engineering plastic modules.
· High technical performance, the main parameters reach the current international technical level.
· Site saving and high in serialization, standardization and generalization, able to save the site for storing and transporting prefabricated parts
· Convenient maintenance, without the need of special complicated tools.
Applicable place
Substation, power plant, port and wharf, buildings and hotels, high-rise buildings, plants and mining enterprises, metallurgical rolling, petrochemical engineering and light and textile industry.
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Complete set of GGD low-voltage switchgear

Features
· There are several cooling slot holes on the upper and lower ends of cabinet for fully cooling.
· High in universal coefficient due to the adoption of universal cabinet.
· The whole cabinet is artistic and elegant since the cabinet shape and separate dimension are designed according to golden section ratio.
· The protection grade of cabinet is IP30, the user can choose between IP20-IP40 according to the environmental requirements.
· The cabinet door is connected with framework by rotary moveable hinge to facilitate installation and the removal.
· Some electrical appliances can realize closing door operation to facilitate maintenance.
Applicable place
Power users such as power plant, substation and industrial and mining enterprises, and used for electric energy conversion, distribution and control of lighting and distribution equipment. Model and technical parameter
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XGN15-12 box-type stationary metal enclosed high voltage switchgear

Features
· The unit modules can be combined and expanded freely without the need of charging and discharging, so as to facilitate scheme combination and high voltage metering design.
· The extensible busbar is provided with a pluggable silicon rubber connector which can realize fully-insulating and shielding and ensure the conduction reliability.
· It is convenient to install cable due to the front plugging.
· Detachable, fast to recover and convenient to install during overhaul.
· New semiconductor material is used as the shielding layer to prevent appearance from humidity, condensation, dust and dirt.
Applicable Place
AC 50HZ 12KV power system and used for the distribution system and box-type substation such as urban residential area distribution, small secondary distribution station, small switching station, industrial and mining enterprises, high-rise buildings, residential communities, hospitals, stadiums and parks.
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KYN28-12 indoor metal armoring movable switch cabinet

Features
· Sufficient air insulating distance to avoid the probability of inter-phase accident.
· The key parts of large current equipment is made of non-permeability magnetic material to reduce the eddy-current loss effectively.
Applicable place
Power transmission of power plant and small/medium-sized power generator, power distribution of industrial and mining enterprises, power receiving and distribution of secondary substation of power system and start of large-scale high voltage electric motor.
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Unbalanced three-phase treatment device

Features
·Unbalanced three-phase treatment: with the application of advanced power electronics, the three-phase load power consumption can be redistributed, so that the three-phase current can be balanced on the low-voltage side of the transformer. Reactive power compensation: capacitive & inductive reactive compensation better improves the effective output capacity of the distribution network.
· Harmonic filtering: the main harmonics and conventional (6n±1) sub-harmonics can be effectively eliminated, further improving the safety of distribution system.
· Improvement on transformer load capacity: settle the single-phase overload, and improve the load capacity.
· High safety: mini short-circuiter is provided in the module input for overcurrent protection.
· High power density and small volume: designed module by functional unit is characterized with high power density and small volume.
Applicable place
Rural areas or villages in the city where the single-phase load greatly changes and three-phase load imbalance is likely to incur.
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Low-voltage transformer under automatic voltage control

Features
· Module by module, advantageous expansion: designed module by module, the functional unit can realize multi-module parallel expansion.
· Automatic voltage control: installed at the end of the power user, the abnormal voltage can be detected and automatically adjusted in real time to ensure stable output voltage.
· Large voltage regulating range: with the increase of tapping voltage regulating, the single-phase voltage regulating range can reach 130V-280V, indicating strong pressure regulating capability.
· Harmonic treatment: supported by comprehensive control of voltage harmonic power quality within 13 times, the distortion factor of output voltage is ≤5%, reliably improving the power supply of distribution transformer.
· Easy to maintain: via pull-plug internal functional module, pole-mounted maintenance, easy equipment installation, convenient and efficient use and maintenance, as well as local and cooperative employment can be achieved.
Applicable place
no data
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Solution

Focus on the challenges and pressures in the power distribution field, and provide customers with competitive solutions and quality services through continuous technological innovation.

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Technology Zhongpeng is a technology-oriented company that focuses on technology innovation and promotion in the field of power distribution.

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