Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio Phase: Single Core: Core-type Transformer Cooling Method: Dry-type Transformer Winding Type: Multi-winding Transformer Certification: ISO9001-2000, UL, ISO9001, CCC Basic Info Model NO.: GWCTT Usage: Single-phase Transformer Frequency Characteristics: 50-400Hz Shape of Core: PCB or Wire Brand: Grewin Shell Material: PBT or ABS Frequency: 50-400 Hz Operating Temperature: -25 to +55c Operating Voltage: 600VAC Isolation: 600V, Bil 10kv Full Wave Accuracy Class: Compliant ANSI Rated Input: 60-4000 Model Name: Instrument Current Transformer Dimension: 12-72mm Company Nature: Manufactory Trademark: grewin Transport Package: Export Standard Cartons with Strong Pallets Specification: CE ROHS Origin: China HS Code: 850450000 Shipping: 1. Products are shipped via UPS / DHL / EMS / HK EMS / FedEx / TNT and so on expresses (door to door). 2. We Provide Drop shipping Service. 3. 20 days around delivery upon receiving payment if the qty is lower than 1000PCS and it is not customized products. 4. In order to ensure you receive your order tax free upon import, we declare lower value. 5. Shipping via EMS. UPS. FedEx and TNT express usually takes 3~7days dependent on the destination country. Payment: 1. We accept Western Union and T/T 2. 30% deposit and 70% before shipping 3. No payment collection. We only can deliver goods after geting full payment. Warranty: 1. We provide 1 year warranty. 2. If the product is defective, please notify us within 3 days of delivery. 3. All products must be returned on their original condition, in order to qualify for a refund or exchange of goods
Basic Info Model NO.: 105VA 150VA 180VA 200VA 250VA 300VA 350VA 400VA Usage: LED Underwater Lamp, LED Ground Light Frequency Characteristics: Low Frequency Shape of Core: Ring Brand: Grewin Toroidal Transformer 100% Copper Wire Made: Toroidal Style ABS Fire Material: Plastic Cover High Performance Insulation: Epoxy Resin Anti-Corrosion: Waterproof Performance Outdoor Waterproof Transformer with Plug: Highly Energy Efficient Water-Safe Making IP Rating: IP64 IP66 IP67 Rating for Outdoor Use Application 1: LED Ground Light, Outdoor Power Supply Application 2: Humidifier, Swimming Pool, Garden Light Short-Circuit-Proof Safety: Isolating Transformer Primary/Secondary Winding: Enamelled Copper Wire Trademark: Grewin outdoor waterproof toroidal transformer Transport Package: Export Standard Carton or Customize Strong Pallet Specification: CE Origin: China HS Code: 85043190
GDKF Transformer Load and No Load Tester Introduction: It's used to Measure the transformer load and no load current, load and no load loss, short-circuit voltage, short circuit (load) losses and capacity. Test items: RMS phase voltage Average value of three-phase AC voltage Three-phase current RMS Percentage of no-load loss and no-load current Load loss, impedance voltage, and the percentage of short-circuit impedance Any given temperature, load loss, the percentage impedance voltage and short circuit impedance Voltage waveform in the percentage of each harmonic component Current waveform in the percentage of each harmonic component Technical index: Current measurement range: 100mA ~ 5A, accuracy class 0.2; Voltage Range: 10V ~ 650V, accuracy class 0.2; External transformer can broaden the scope of measurement instruments; Frequency Range: 40 ~ 65Hz, accuracy class 0.2; Power Input: AC220V ± 10% Company Information Our company has become one of the leading manufacturer of petroleum testing instrument and electrical testing instrument since 2009sâ??. We have developed sales channels in many countries such as Malaysia,India,Germany,USA,Mexico,Saudi Arabia,South Africa and other countries worldwide. and we have gained great advantage and high reputation in international market. We are making effort to develop together with customers from both domestic and abroad on the basis of reciprocity.Client,quality and service are our supreme target. Our Services Pre-sale Service: Inquiry will be replied within 24 hours. Welcome to visit our factory. Technical datas and operation manual sent for evaluation. After-sale Service: Training how to instal the machine, training how to use the machine at our factory; Engineers available to service machinery overseas at customers' cost;GDKF Transformer Load And No Load Capacity Characteristic Tester
SGB (DGB) series three-phase (single-phase) dry-type, isolating, voltage transformer is a multi-coil (double coil and above) structure voltage transformer, the primary and secondary windings are insulated from each other. Its transformation ratios are of fixed and tapping type, which enable voltage bucking and boosting. It can also electrically isolate input and output windings from each other to avoid risks of simultaneous access to electrified body (or electrified metal parts due to insulation damage) and ground hazard. Besides, it also has certain inhibiting effect of various kinds of interference.
Features: High saturate magnetic induction bs High initial permeabilityhigh linearity high accuracylow phase and amplitude error for ct Good temperature stability-55~130 Applying for transformer class grade: 0.5-0.05 class 2applications High precision current and voltage transformer Current leakage circuit breakers Electronic watt hour meter Precision power meter Current control in automation industry
1.Features, High permeability High saturation induction , low core loss The density and lamination coefficient of nano-crystalline is lower than that of Permalloy, under the condition of the same size and similar performance of the Two. It is 1/4 lighter in weight, and 1/3 lower in the manufacturing cost. Good temperature stability:work for a long time at temperature of -55 ~ 130 , The linear range of nano-crystalline alloy is wider than that of permalloy .
The description of the products: 1. Three phase oil immersed power transformer rated voltage during 6-35kV, oil immersed transformer are most used in power plant, power grid transmission and distribution station, industry & commerce electrical substation as the electrical equipment of power transmission. 2. Great ability of short circuit resistance 3. Cold rolled silicon steel core and oxygen-free copper wires, higher efficiency and lower loss 4. Complete sealed structure, low maintenance 5. Vacuum oil filled prevents air bubbles, high stability of insulation 6. Buchholz relay, oil indicator, pressure relief valve and thermostat, monitor status of power transformer and keep it safe 7. Low winding partial discharge and low noise 8. Two windings or three windings, On-load or no-load voltage tapping changer, Natural cooling or force air or oil cooling, Capacity range 5KVA-2500KVA
Introduction to Products Its core is made of quality cold-rolled silicon sheet and is of a full-miter non-puncture structure and its coil is made of quality oxygen-free copper. It is artistic in appearance and safe in running and is widely used in transmission and distribution of industrial and agriculturalist. Main Function And Features It adopts radiator oil tank of corrugated sheet type or expansion type. As it doesnâ??t need oil conservator, the height of transformer is reduced , and as the transformer oil doesnâ??t contact with air , the oil ageing is retarded, thus prolonging the service life of transformer. The no-load loss of Model S10-M is 20% lower than that of Model S9-M , and S11-M is 30% lower than S9-M. the transformers are high in reliability , advanced in performance and rational in economical indexes . The oil tank is diversified in types and looks artistic and elegant.
Title goes here. INTRODUCTIONS I- GENERAL CHARACTERISTICS Transformers immersed in insulating fluid with natural self cooling (ONAN), three-phase, 10 - 20 MVA.for indoor or outdoor use, 50/60 Hz, hermetically sealed. II- MANUFACTURING STANDARD The transformers described in this catalogue are designedand tested in accordance to IEC/BSEN 60076 III- RATINGS 30,50, 80,100,125,160, 200,250, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500kVA. IV- HIGH VOLTAGE This material is designed for voltages of â?¤ 36 kV. Specific figures are not given for this parameter because of the wide variety of voltagesused. Transformers can be supplied on demand to run at two different primary voltages, the shift between these input voltages has two basic alternatives: with a primary tap changer which can be switched with no load and no applied voltage or by changing terminals under the cover. V- LOW VOLTAGE The secondary voltage under no load is allocated at 400V, 415V, 433V, though other voltages can be supplied on demand. When usage requires two voltages, transformers with two simultaneous voltages can be supplied. In this case the no-load voltages are set to 400V(230V),415V(240V),433V(230V). VI- VECTOR GROUP REFERENCE The connections normally used are as follows: For rated power levels of 160 kVA or less: Yyn0 For rated power levels over 160 kVA: Dyn11. ACCESSORIES I- BASIC EQUIPMENTS All transformers are supplied with: 3 high voltage bushings 4 or 7 low voltage bushings 5-position tap changer on cover, workable with transformer off load 2 lifting & tank removal eye-bolts Filling hole with M-40 x 1.5 outside thread and threaded cover Drainage & sampling plug at bottom of tank Two-way, standard rail gauge welded at the bottom of tank 2 earthing connections at bottom with M-10 screws II- OPTIONAL ACCESSORIES Thermometer Tap changer HV plug-in bushing Thermostat Protection & control block for the following
Title goes here. INTRODUCTIONS I- GENERAL CHARACTERISTICS Transformers immersed in insulating fluid with natural self cooling (ONAN), three-phase, 10 - 20 MVA.for indoor or outdoor use, 50/60 Hz, hermetically sealed. II- MANUFACTURING STANDARD The transformers described in this catalogue are designedand tested in accordance to IEC/BSEN 60076 III- RATINGS 30,50, 80,100,125,160, 200,250, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500kVA. IV- HIGH VOLTAGE This material is designed for voltages of â?¤ 36 kV. Specific figures are not given for this parameter because of the wide variety of voltagesused. Transformers can be supplied on demand to run at two different primary voltages, the shift between these input voltages has two basic alternatives: with a primary tap changer which can be switched with no load and no applied voltage or by changing terminals under the cover. V- LOW VOLTAGE The secondary voltage under no load is allocated at 400V, 415V, 433V, though other voltages can be supplied on demand. When usage requires two voltages, transformers with two simultaneous voltages can be supplied. In this case the no-load voltages are set to 400V(230V),415V(240V),433V(230V). VI- VECTOR GROUP REFERENCE The connections normally used are as follows: For rated power levels of 160 kVA or less: Yyn0 For rated power levels over 160 kVA: Dyn11. ACCESSORIES I- BASIC EQUIPMENTS All transformers are supplied with: 3 high voltage bushings 4 or 7 low voltage bushings 5-position tap changer on cover, workable with transformer off load 2 lifting & tank removal eye-bolts Filling hole with M-40 x 1.5 outside thread and threaded cover Drainage & sampling plug at bottom of tank Two-way, standard rail gauge welded at the bottom of tank 2 earthing connections at bottom with M-10 screws II- OPTIONAL ACCESSORIES Thermometer Tap changer HV plug-in bushing Thermostat Protection & control block for the following
We supply all the types of Transformers per the desired applications and also maintain the international quality standards
The range of toroidal transformers can vary in terms of power capacity, voltage, and mounting style: Power capacity: Standard toroidal isolation transformers can range from 100 to 5,000 VA. Voltage: Dual primaries can be configured for 120 V or 240 V operation. Dual secondaries can range from 2 to 12 V windings to 2 to 120 V windings. Mounting style: Standard mounting for sizes up to 5000 VA is with a single metal centering washer and mounting screw or bolt. Other mounting methods include PCB mounting, DIN rail mounting, and resin center potting with brass inserts. Toroidal transformers are known for their high efficiency, typically ranging from 95% to 99%. This high efficiency is due to their near-ideal design, which effectively contains the magnetic flux within the windings, eliminating leakage flux.
They are used in electrical applications when the frequency ranges between 2 MHz to several hundred MHz and are suitable for inductors above 70 Mhz. 3. Sand Dust: These are high-frequency Choke Coils ideally used with ferrites only.
output voltages ranging from 012V, 5Amp R-core Transformers are manufactured using the unique rectangular core with round cross section known as R-core. The special feature of this transformer is that the core is gap less and continuous. The winding is done on special round bobbins on two parallel legs of the core. Design The core is continuous and gapless, with two balanced windings on either side. The winding is done on special round bobbins on the two parallel legs of the core. Size R-core transformers are smaller and have a lower profile than E-I core transformers of the same capacity. Temperature rise R-core transformers have a lower temperature rise due to the round cross sectional area and tapered slitting. Noise R-core transformers have low noise due to the balanced winding and low flux leakage. This makes them suitable for use in noise sensitive equipments. Leakage flux R-core transformers have a leakage flux that is about 1/10th of conventional transformers. This allows the transformer to be placed close to critical electronic components.
An EI transformer is a type of transformer with a core made of thin electrical steel sheets that are stacked to form the letters E and I. The primary and secondary windings are wound on bobbins, which are then placed on spindles to apply the windings.
Distribution board is also called a panel board, breaker panel, electric panel or DB box. Its main function is to divide the electrical power evenly among all the electrical devices. The primary functions also include power generation, transmission and distribution.
RF transformer is to achieve the main transformation, coupling and impedance matching of signals in the RF (Radio Frequency) circuit. The following are the main functions of RF transformer. 1. Transformation effect: RF transformers can be used to transform the voltage or current level of signals. By adjusting the ratio of turns on different windings of the transformer, the signal can be stepped up or down to adapt to different RF circuit requirements. 2. Coupling effect: RF transformers can be used to achieve signal coupling and transmission. It can transmit signals from one circuit to another, realizing energy transfer and information transfer between different circuits. 3. Impedance matching: RF transformers can be used to achieve impedance matching to ensure maximum power transfer of signals between circuits. By adjusting the transformer's turn ratio and winding design, impedance matching between the signal source and load can be achieved to minimize signal reflections and losses. 4. Filtering and frequency selection: RF transformers can be used to implement frequency selection and filtering functions. Through the specific design and parameter selection of the transformer, selective transmission and filtering of signals within a specific frequency range can be achieved to meet the frequency selection requirements of the radio frequency circuit. In general, RF transformers play an important role in RF circuits and are mainly used for functions such as voltage transformation, coupling, impedance matching, and filtering. They are one of the key components for realizing radio frequency signal transmission, conversion and processing, and are widely used in radio frequency applications such as communication systems, radio equipment, broadcasting, radar, and antenna systems.
RF transformer is to achieve the main transformation, coupling and impedance matching of signals in the RF (Radio Frequency) circuit. The following are the main functions of RF transformer. 1. Transformation effect: RF transformers can be used to transform the voltage or current level of signals. By adjusting the ratio of turns on different windings of the transformer, the signal can be stepped up or down to adapt to different RF circuit requirements. 2. Coupling effect: RF transformers can be used to achieve signal coupling and transmission. It can transmit signals from one circuit to another, realizing energy transfer and information transfer between different circuits. 3. Impedance matching: RF transformers can be used to achieve impedance matching to ensure maximum power transfer of signals between circuits. By adjusting the transformer's turn ratio and winding design, impedance matching between the signal source and load can be achieved to minimize signal reflections and losses. 4. Filtering and frequency selection: RF transformers can be used to implement frequency selection and filtering functions. Through the specific design and parameter selection of the transformer, selective transmission and filtering of signals within a specific frequency range can be achieved to meet the frequency selection requirements of the radio frequency circuit. In general, RF transformers play an important role in RF circuits and are mainly used for functions such as voltage transformation, coupling, impedance matching, and filtering. They are one of the key components for realizing radio frequency signal transmission, conversion and processing, and are widely used in radio frequency applications such as communication systems, radio equipment, broadcasting, radar, and antenna systems.
Current transformer is an instrument that converts a large current on the primary side into a small current on the secondary side based on the principle of electromagnetic induction. The current transformer is composed of a closed core and windings. Its primary winding has a small number of turns and is strung in the circuit of the current that needs to be measured. The principle of current transformer is based on the principle of electromagnetic induction. The current transformer is composed of a closed core and windings. Its primary winding has very few turns and is connected in series in the line where the current needs to be measured. Therefore, it often has all the current of the line flowing through it. Its secondary winding has more turns and is connected in series in the measuring instrument and protection circuit. The current mutual inductance When the transformer is working, its secondary circuit is always closed, so the impedance of the series coil of the measuring instrument and the protection circuit is very small, and the working state of the current transformer is close to the short circuit.
Magnetic integrated transformer refers to a miniature transformer manufactured using integrated circuit technology, which integrates coils and iron cores. It has unique characteristics such as small size and lightweight. Compared with traditional iron core transformers, magnetic integrated transformers can not only reduce current loss and magnetic loss, but also have the advantages of more precise voltage regulation, lower noise and higher energy efficiency. Therefore, magnetic integrated transformers have become one of the technologies worth promoting in industries such as power networks and new energy. With the continuous development of new energy technology, magnetic integrated transformers have also been widely used in the field of new energy. For example, in wind power generation systems, the use of magnetic integrated transformers can not only improve the stability of wind turbine speed regulation, but also eliminate harmonic interference. In addition, the high efficiency and miniaturization characteristics of magnetic integrated transformers have also been widely used in power conversion and battery management systems in electric vehicle charging stations. Compared with traditional transformer technology, magnetic integrated transformers have the following significant advantages in the field of new energy: 1. Small size and light weight: Magnetic integrated transformers can achieve a significant reduction in volume and weight while ensuring the same power transmission capacity, which is conducive to wide application in new energy applications with limited space. 2. High efficiency and low loss: Magnetic integrated transformers have the advantages of higher energy efficiency and smaller current loss and magnetic loss, which can greatly improve the operating efficiency of new energy systems. 3. Precise voltage regulation: Magnetic integrated transformers have more precise voltage regulation characteristics, which is beneficial to voltage stability control in new energy situations. At present, the application of magnetic integrated transformers in the field of new energy is still in its infancy, but its unique advantages and broad application prospects will make it more popular and in-depth used in the future. Magnetic integrated transformers will continue to play an important role in reducing power transmission energy consumption, improving system efficiency, and improving power quality in the future, and are expected to play an increasingly important role in the transformation of new energy.
