Home > Medium Voltage Power Cables > MV-90 Cable de cobre blindado de 35 kV con aislamiento XLPE 100% / 133%

MV-90 Cable de cobre blindado de 35 kV con aislamiento XLPE 100% / 133%

Aplicación

Estos cables se utilizan en sistemas de redes de distribución primaria en áreas residenciales, comerciales e industriales.Se pueden utilizar en tuberías de conducto, ductos subterráneos o directamente enterrados.

Construcción

Conductor: Cobre, conductores trenzados circulares comprimidos o compactados.
Pantalla del conductor: Compuesto semiconductor no metálico.
Aislamiento: Niveles de aislamiento del 100%, 133% y 173%, aislamiento de polietileno reticulado (XLPE) o polietileno reticulado retardante a las arborescencias (TRXLPE).
Pantalla del aislamiento: Compuesto semiconductor no metálico.
Pantalla metálica: Cinta de cobre.
Cubierta exterior: Resistente a la luz solar, policloruro de vinilo (PVC) o polietileno (PE) o poliolefina (PO).

Parámetros del Producto

Temperatura máxima del conductor en operación normal: 90°C.
Temperatura de sobrecarga de emergencia: No debe exceder los 130°C.
Temperatura de cortocircuito (duración máxima de 5 segundos): No debe exceder los 250°C.
Opciones de fabricación del producto: Elementos de bloqueo contra la penetración de agua en la parte metálica para ambientes húmedos y mojados.

Especificación

ASTM B 8 Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft
ASTM B 496 Compact Round Concentric-Lay-Stranded Copper Conductors
ANSI/NEMA WC 74/ICEAS-93-639 5-46KV Shielded Power Cable for Use in the Transmission and Distribution of Electric Energy
UL1072 Medium Voltage Power Cable

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Conductor			Nivel de Aislamiento 100%				Nivel de Aislamiento 133%
Tamaño	Área	Diám. Nom.	Espesor Ais. 100%	Espesor Cubierta 100%	Diám. Total 100%	Peso 100%	Espesor Ais. 133%	Espesor Cubierta 133%	Diám. Total 133%	Peso 133%
AWG/kcmil	mm²	mm	mm	mm	mm	kg/km	mm	mm	mm	kg/km
1/0	53.5	8.53	8.76	2.03	35.7	1610	10.67	2.03	39.2	1831
2/0	67.4	9.55	8.76	2.03	36.7	1786	10.67	2.03	40.2	2012
3/0	85	10.7	8.76	2.03	37.8	2002	10.67	2.03	41.4	2234
4/0	107	12.1	8.76	2.03	39.2	2271	10.67	2.03	42.8	2510
250	127	13.2	8.76	2.03	40.3	2503	10.67	2.03	43.9	2748
350	177	15.6	8.76	2.03	42.7	3080	10.67	2.03	46.3	3338
500	253	18.7	8.76	2.03	45.8	3922	10.67	2.79	51.2	4398
750	380	23.1	8.76	2.79	52	5495	10.67	2.79	55.6	5805
1000	507	26.9	8.76	2.79	56.2	6868	10.67	2.79	59.7	7200
1250	633	31.8	8.76	2.79	61.1	8283	10.67	2.79	64.6	8641

Application and case display

FAQ

How do you calculate the minimum bending radius of cables?

What is the length tolerance for cables?

What is the minimum order quantity for the product?

What is the operating temperature of the cable?

What is the purpose of a metallic shield in MV and HV cables?

What is the service life of cables?

How do you calculate the minimum bending radius of cables?

The bend radius refers to the curved shape in which an electrical cable can be bent or curved without sustaining damage. To determine the minimum bend radius for cables, apply the following formula: Minimum Bend Radius = Cable Outer Diameter×Cable Multiplier. For example, if the outer diameter of a cable is 20mm, its minimum bending radius would be 20mm×6 = 120mm. Conversely, if an armored cable has an outer diameter of 30mm, its minimum bending radius would be 30mm×12 = 360mm.

What is the length tolerance for cables?

The tolerance for the power cable is 0 to +0.5%. For the bare conductor, the tolerance is ±5%.

What is the minimum order quantity for the product?

The minimum order quantity for low and medium voltage cables is 200 meters, whereas for high voltage cables, it is 2000 meters. Should the order quantity fall below the MOQ, however, if the factory has stock, we can still supply it.

What is the operating temperature of the cable?

The operating temperature of a cable is determined by the insulation and sheathing material. PVC has a range of -15°C to 70°C, XLPE can reach up to 90°C, while silicone rubber can handle temperatures from -60°C to 180°C.

What is the purpose of a metallic shield in MV and HV cables?

Medium and high voltage power cables, typically those in circuits exceeding 2kV, usually feature a shield layer made of copper or aluminum tape. Similar to their use in low voltage cables, metallic wires and tapes are employed to prevent electromagnetic interference. These shields effectively neutralize or significantly diminish the field currents surrounding the conductor or core. The capacitive and inductive charging currents induced under normal operating conditions are subsequently grounded by the metallic screen.

What is the service life of cables?

The design life of power cables is typically 20 to 30 years; however, this can vary significantly based on factors such as installation, environmental conditions, and the quality of the cable.

Get in Touch With Our Team

We're here to answer any questions you may have about our products, services, or technical specifications.

Tel: +86-371-63395670

Email: info@starsunelectric.com

Address: No. 1207, Building B, No. 96 Kangning Street, Zhengdong New District, Zhengzhou, China

MV-90 Cable de cobre blindado de 35 kV con aislamiento XLPE 100% / 133%

Parámetros del Producto

Application and case display

FAQ

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