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TED TRANSFORMER

TED TRANSFORMER
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TED TRANSFORMER

Product catalog summary
Product Overview
TED transformers are designed for single-phase and three-phase networks with power ratings from 0.4 to 160 kVA. They are corrosion-resistant, watertight, and suitable for direct burial installations.
Single-Phase Transformers
TED MMX models range from 0.4 to 50 kVA, featuring epoxy resin casting for durability and water resistance, compliant with NFC 52 410 standards, and offer optional low voltage protection.
Three-Phase Transformers
TED TTT and TEH TTT models cater to three-phase networks with power ratings from 5 to 160 kVA, equipped with phase selectors and voltage adjusting tap changers.
Accessories
Includes two-pole and three-pole boxes, junctions, and deviation boxes for network maintenance and safety.
Technical Specifications
Transformers use oil as a dielectric medium, with primary insulation voltage of 7.2 kV and secondary insulation voltage of 1.1 kV, designed for environmental conditions classified as AD7.
Protection and Safety
Equipped with HRC fuses for medium voltage protection, with optional low voltage protection including thermal-magnetic circuit breakers.
Installation and Maintenance
Emphasizes ease of installation with plug-in connections and provides technical assistance for installation and training.
Additional Features
Epoxy resin provides corrosion resistance and burial capability, supporting network continuity even in faults.
Conclusion
TED transformers offer robust protection features and compliance with industry standards, ensuring reliability and safety in various environmental conditions.
Specifications
Key specifications include protection degree IP 68, primary voltage 5500 V, primary winding insulation level 7.2 kV, secondary no-load voltage 237 V or 410 V, and power ratings from 2 kVA to 160 kVA.
Protection Against Water Penetration
Features a two-stage protection process with O-ring seals and thermo-retractable sheaths.
Recommended Cable
Details on recommended cables for different power ratings, including two-pole concentric cable 3.6/6 kV.
Operating Conditions
Suitable for environmental condition AD7, allowing partial or complete immersion in water.
MV and LV Connections
Details on Medium Voltage (MV) and Low Voltage (LV) connections, including three-phase plug-in connections for MV.
Dielectric Tests
Transformers undergo dielectric tests including impulse withstand voltage of 60 kV and power frequency withstand voltage of 22 kV.
Equipment and Accessories
Delivered with necessary accessories such as MV plug-in terminals and handling ropes.
Technical Data
Tables provide detailed information on power ratings, losses, impedance, dimensions, and weights for each transformer model.
General Information
Describes a three-pole terminal for medium voltage cables, with molded point and plug components.
Protection Against Water Penetration
Four levels of water protection including thermoretractable sheaths and insulating liquid BIP.
Electrical Characteristics
Supports a maximum current of 80 A, designed to meet 7.2 kV class and UTE test standards.
Mechanical Characteristics
Sealing ring accommodates cables with a maximum sheath diameter of 44.5 mm.
Three-Pole Plug Model
Available in standard right and optional elbow-bent types.
Important Ordering Requirements
Specify cable type, cross-section, terminal model, and provide a cable sample if specially designed.
Recommended Types of Cable
PRC cables recommended, with specific characteristics such as standard NF C 33-220.
Network Accessories
Includes dead end boxes, junction boxes, and derivation types, suitable for directly buried installations.
Working Conditions
Suitable for environment class AD7, allowing partial or total immersion in water temporarily.
Connection
Boxes accommodate various cable types, delivered with necessary preparation equipment.
Interlocking System
Ensures secure access to TED transformers using a key system for safety.
Terminal Insulation Liquid: BLUE BIP
Used for additional insulation, preventing water penetration in case of cable damage.
Certification
Manufacturer is ISO 9001 certified since 1995, with ongoing product improvements.
See more

Catalog excerpts

TED TRANSFORMER-1

PRODUCT LEAFLET TRANSFORMERS TYPE TED Network Transformers (0.4 to 160 kVA)

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TED TRANSFORMER-2

PRODUCTS PRESENTATION SINGLE PHASE TRANSFORMERS FOR SINGLE PHASE NETWORKS Concentric two-pole cable NETWORK ACCESSORIES Two-pole boxes : Dead end box 1 A Junction 1 A / 1 D Derivation 1 A / 2 D Derivation 1 A / 3 D SINGLE-PHASE TRANSFORMERS FOR THREE-PHASE NETWORKS Single pole or three pole cables Network accessories three pole box 1 A / 1 D THREE PHASE TRANSFORMERS FOR THREE PHASE NETWORKS Single-pole or three-pole cables

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TED TRANSFORMER-3

NETWORK TRANSFORMERS Type TED 0.4 to 160 kVA « Lead through » connection

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TED TRANSFORMER-4

ALL THE AVANTAGES OF EPOXY RESINS For single-phase (400 VA to 50 kVA) or three-phase (5 kVA to 32 kVA) unpluggable transformers The use of epoxy resin guarantees that the transformers have the following characteristics: Corrosion resistant, remain unaltered over time. Watertight and immersible. Insulated. Can be buried into purposely-designed pits. MODULOBLOCS: MAIN CHARACTERISTICS Watertight and immersible sets. Conform to NFC 52 410 standards. Dielectric : Oil Primary insulation voltage : 7.2 kV Secondary insulation voltage : 1.1 kV Reduced losses Protection degree : IP 68 - IK 10 Working temperature...

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TED TRANSFORMER-5

DOUBLE «AUTO» PROTECTED TRANSFORMERS: The protection devices directly incorporated in the transformer guarantee : MV protection by easily accessible HRC fuses. Optional: Low Voltage protection by means of thero-magnetic circuit breakers allows protection against short circuiting, linked to thermal protection with of a probe incorperated in the windings which guarantees elimination of possible permanent faults. Protection by HRC fuses. Four-pole circuit breaker on a TED TTT 10 kVA TED TRANSFORMERS: ADVANTAGES Complete range of equipment, to enable absence of voltage tests (VAT) to be carried out...

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TED TRANSFORMER-6

TED MMX - 0.4 to 10 kVA TYPE Single-phase transformer for single-phase networks. Cast in resin, corrosion resistant, water-tight, plug-in connection designed for directly buried installation. Protection degree : IP 68 Primary voltage : 3200 V (1) Primary winding insulation level : 7,2 kV Secondary no-load voltage : 237 V (2) Secondary winding insulation level : 1,1 kV Coupling : single-phase Dielectric : oil Power rating : 400, 630, 1000, 2000, 3000, 5000, 10000 VA Nominal power depending on public lighting standards 320, 504, 800, 1600, 2400, 4000, 8000 VA Transformers comply with NFC 52 410...

 Open the catalog to page 6
TED TRANSFORMER-7

MV fuses MV Input terminal Output terminal Rating plate Earth terminal LV protection (optional) Two-pole LV output TED MMX TECHNICAL DATA - 0.4 to 10 kVA Power rating (kVA) Short-circuit impedance (%) Magnetising current (%)

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TED TRANSFORMER-8

TED MMX - 16, 25, 32, 50 kVA TYPE Single-phase transformer for single-phase networks. Cast in resin, corrosion resistant, water-tight, plug-in connection designed for directly buried installation. Protection degree : IP 68 Primary voltage : 3200 V (1) Primary winding insulation level : 7.2 kV Secondary no-load voltage : 237 V (2) Secondary winding insulation level : 1.1 kV Coupling : single phase Dielectric : oil Power rating : 16 - 25 - 32 - 50 kVA Nominal power depending on public lighting standards 12.8 - 20 - 25.6 - 40 kVA Transformers comply with NFC 52 410 standards. OPERATING CONDITIONS...

 Open the catalog to page 8
TED TRANSFORMER-9

LV Protection (optional) LV Output MV adjustment switch Two-pole unpluggable terminals MV fuses TED MMX TECHNICAL DATA - 16, 25, 32, 50 kVA Power rating (kVA) Short-circuit impedance (%) Magnetising current (%)

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TED TRANSFORMER-10

ACCESSORIES FOR SINGLE-PHASE NETWORKS JUNCTION AND DEVIATION BOXES WITH EARTHING OF THE PERIPHERAL CABLE DEAD END BOX, JUNCTION AND DEVIATION BOXES These different boxes made up of pluggable universal two-pole consentric terminals receive either a concentric two-pole 3.6 / 6 kV cable, or a radical field single pole 3.6 / 6 kV cable made up of a twisted cable strut. A single pole cable’s cross section can be either 6, 10, 16, 25 or 35 mm². External diameter of the watertight outer covering can’t exceed 24 mm. On all these boxes it is possible to add an earthing terminal connected to the interior...

 Open the catalog to page 10
TED TRANSFORMER-11

LINE DEAD END SPARKS GAP Network in TNRS* diagram with a concentric two-pole cable The peripheral conductors (neutral) of the concentric two pole 3.5/6 kV cable are insulated to 1000 V level. In the event of using this cable with a TNRS distribution system, accidental damage to cable will result in a short circuit with the central conductor (3.5/6 kV); causing peripheral voltage to exceed the 1000 V limit to 3200 V. This can also be caused by the primary winding of the TED transformer. A line dead end spark gap results in a connection between the peripheral cable and the earth. An overvoltage...

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TED TRANSFORMER-12

TWO-POLE TERMINAL MODEL X GENERAL INFORMATION This terminal consists of two parts : a- the plug is joined to the device and contains a central and periphical contact. It is designed to receive all plugs from 6 to 25mm². b- the plug is on the cable. The parts ensuring electric contacts must be adapted to cable cross-section. PROTECTION AGAINST WATER PENETRATION This is carried out in two stages : Between the sheath (3) and the envelope with the help of an o-ring seal (4). Toughness: 70° shore, +/- 5°. Between the cable and the sheath (3) with the help of a thermo-retractable sheath. NB: extra...

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TED TRANSFORMER-13

Accessories for the two-pole plug 1- Screwing nut 2- Thermo-retractable sleeve 3- Sheath 4- O-ring seal 5- Peripheral nozzle 6- Under the peripheral nozzle 7- Central nozzle 8- Spacer 9- Nut Mounted two-pole plug Plugged-in and then waterproofed two-pole plug

 Open the catalog to page 13
TED TRANSFORMER-14

TED MTT - 2, 3, 5, 10 kVA TYPE Single-phase transformer for three -phase networks. Cast in resin, corrosion resistant, water-tight, plug-in connection designed for directly buried installation. Protection degree : IP 68 Primary voltage : 5500 V (1) Primary winding insulation level : 7.2 kV Secondary no-load voltage : 237 V (2) Secondary winding insulation level : 1.1 kV Coupling : single-phase Dielectric : oil Power rating : 2 - 3 - 5 - 10 kVA Nominal power depending on public lighting standards : 1.6 - 2.4 - 4 - 8 kVA Transformers comply with NFC 52410 standards. OPERATING CONDITIONS Environmental...

 Open the catalog to page 14

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.