Home > Medium Voltage Power Cables > Primary UD 15kV Copper XLPE insulation Concentric Neutral PVC Cable

Primary UD 15kV Copper XLPE insulation Concentric Neutral PVC Cable

Application

Primary UD cables are used in primary distribution network systems in residential, commercial and industrial areas. They can be used in conduit pipes, underground ducts or directly buried.

Construction

Conductor:Copper, circular compressed or compacted stranded conductors
Conductor screen: Non-metallic, semi-conducting compound
Insulation: cross-linked polyethylene XLPE or TRXLPE
Insulation screen: Non-metallic, semi-conducting compound
Metallic screen: Copper wires concentric neutral is with full or one-third
Outer sheath: Sunlight resistant, polyvinyl chloride (PVC)

Main Characteristics

Maximum conductor temperature in normal operation: 90°C
Emergency overload temperature: shall not exceed 130°C
Short circuit temperature (5 seconds maximum duration ): shall not exceed 250°C
Product manufacturing options:Blocking elements against the penetration of water in the metallic part for humid and wet environments.

Specification

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/ICEA S-94-649 Concentric Neutral Cables Rated 5 Through 46kV

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Conductor			Copper Neutral		100% Insulation Level				133% Insulation Level
Size	Area	Nominal Diameter	No.of Wires	Size	Nominal Insulation Thickness	Nominal Sheath Thickness	Approx. Overall Diameter	Approx. Weight	Nominal Insulation Thickness	Nominal Sheath Thickness	Approx. Overall Diameter	Approx. Weight
AWG/kcmil	mm²	mm	No.	AWG	mm	mm	mm	kg/km	mm	mm	mm	kg/km
Full Neutral
2	33.6	6.81	16	14	4.45	2.03	27.6	1143	5.59	2.03	30.1	1248
1	42.4	7.59	13	12	4.45	2.03	29.2	1345	5.59	2.03	31.8	1453
1/0	53.5	8.53	16	12	4.45	2.03	30.2	1567	5.59	2.03	32.7	1679
2/0	67.4	9.55	13	10	4.45	2.03	32.3	1883	5.59	2.03	34.8	1998
3/0	85	10.7	16	10	4.45	2.03	33.5	2229	5.59	2.03	36.0	2349
4/0	107	12.1	20	10	4.45	2.03	34.8	2668	5.59	2.03	37.3	2793
250	127	13.2	25	10	4.45	2.03	35.9	3128	5.59	2.03	38.4	3256
1/3 Neutral
2	33.6	6.81	9	16	4.45	2.03	26.9	933	5.59	2.03	29.4	1038
1	42.4	7.59	11	16	4.45	2.03	27.7	1062	5.59	2.03	30.2	1170
1/0	53.5	8.53	14	16	4.45	2.03	28.7	1228	5.59	2.03	31.2	1340
2/0	67.4	9.55	18	16	4.45	2.03	29.7	1435	5.59	2.03	32.2	1550
3/0	85	10.7	22	16	4.45	2.03	30.9	1682	5.59	2.03	33.4	1802
4/0	107	12.1	18	14	4.45	2.03	32.9	2013	5.59	2.03	35.4	2138
250	127	13.2	21	14	4.45	2.03	34.0	2284	5.59	2.03	36.5	2413
350	177	15.6	18	12	4.45	2.03	37.3	2977	5.59	2.03	40.4	3155
500	253	18.7	26	12	4.45	2.03	40.9	4049	5.59	2.03	43.4	4202
750	380	23.1	25	10	4.45	2.79	48.1	5971	5.59	2.79	50.6	6149
1000	507	26.9	32	10	4.45	2.79	52.4	7624	5.59	2.79	55.7	7900

Application and case display

FAQ

What is the length tolerance for cables?

Flame Retardant Cables VS Fire Resistant Cables?

What is the validity period for the offer of cable?

What are the weight limits for different types of packages?

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

How long is the validity period of cold shrink cable accessories?

The validity period for most cold shrink cable accessories is typically 3 years from the date of manufacture, provided they are stored under recommended conditions. These conditions usually include controlled humidity and temperature ranges.

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.

Why do cable prices vary significantly among suppliers within the same region?

Cable prices vary due to differences in supplier strategies, competition, raw materials, and production processes, as well as after-sales services, including installation, equipment, and ongoing support.

Flame Retardant Cables VS Fire Resistant Cables?

Both types of cables are crucial in enhancing the likelihood of escape and survival in the event of a fire and are often confused with one another. However, there is a fundamental distinction between flame retardant cables and fire resistant cables. Flame retardant cables are engineered to inhibit the spread of fire to adjacent areas. On the other hand, fire resistant cables are specifically designed to preserve circuit integrity and ensure functionality during a fire, under specified conditions, aiding both evacuees and firefighters.

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Tel: +86-371-63395670

Email: info@starsunelectric.com

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

Primary UD 15kV Copper XLPE insulation Concentric Neutral PVC Cable

Product Parameters

Application and case display

FAQ

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