بكالوريوس 6622 كابل الجهد المتوسط

بكالوريوس 6622 Single Core Medium Voltage Cable

طلب

Power single-core cable voltage range from 3.8/6.6KV to 19/33KV, frequency 50Hz. mainly used in power supply stations, indoor and outdoor laying, pipelines, الأنفاق, مناجم, shafts, soil buried and submarine water, إلخ., and can withstand considerable pressure and mechanical forces, axial tensile force.

بناء

موصل	Plain annealed copper or aluminum conductors Copper conductors are generally stranded (Part II) and aluminum conductors can be either stranded or solid (Part II).
Conductor Shield	Extruded semiconducting cross-linked composite layers are applied outside the conductor and completely cover it. The minimum thickness is 0.3 mm and the maximum resistivity shall not exceed 500 ohms at 90°C. Please contact ZMS for details.
العزل	Cross-linked polyethylene compounds
الغلاف الخارجي	PVC material/Medium Density Polyethylene (MDPE)/LSZH, the outer sheath color is usually black. The usual thickness of the outer sheath is 0.035D+1.0, with D indicating the diameter of the outer sheath in millimeters.

Physical Properties

درجة حرارة التشغيل: up to 90°C
Temperature range: -5درجة مئوية (PVC jacket); -20درجة مئوية (PE jacket)
Short-circuit temperature: 250درجة مئوية (maximum duration of short-circuit not exceeding 5s)
نصف قطر الانحناء: 12 x OD

Voltage Specification

الجهد المقنن يو / يو	Operating Voltage(Um)	Testing Voltage (rms)
3.8/6.6كيلو فولت	7.2كيلو فولت	15كيلو فولت
6.35/11كيلو فولت	12كيلو فولت	25.5كيلو فولت
8.7/15كيلو فولت	17.5كيلو فولت	35كيلو فولت
12.7/22كيلو فولت	24كيلو فولت	51كيلو فولت
19/33كيلو فولت	36كيلو فولت	76كيلو فولت

بكالوريوس 6622 Three Core Medium Voltage Cable

الاستفسار الآن

طلب

بكالوريوس 6622 three-core cables are designed for power distribution from 3.8/6.6KV to 19/33KV at 50Hz.They are mainly used in a variety of applications such as power supply stations, indoor conduits, outdoor, buried and in water, and for the installation of cables to the industry, distribution stations, and power station cables.

بناء

موصل	Plain annealed copper or aluminum conductors Copper conductors are generally stranded (Part II) and aluminum conductors can be either stranded or solid (Part II).
Conductor Shield	Extruded semiconducting cross-linked composite layers are applied outside the conductor and completely cover it. The minimum thickness is 0.3 mm and the maximum resistivity shall not exceed 500 ohms at 90°C. Please contact ZMS for details.
العزل	Cross-linked polyethylene compounds
Insulation Shield	PVC material/Medium Density Polyethylene (MDPE)/LSZH, the outer sheath color is usually black. The usual thickness of the outer sheath is 0.035D+1.0, with D indicating the diameter of the outer sheath in millimeters.
Inner Fill & التعبئة	The inner layer is generally made of waterproof material, unless the cable is to be longitudinally waterproofed. The inner layer is extruded or overlapped.

Physical Characteristics

Voltage Specification

الجهد المقنن يو / يو	Operating Voltage(Um)	Testing Voltage (rms)
3.8/6.6كيلو فولت	7.2كيلو فولت	15كيلو فولت
6.35/11كيلو فولت	12كيلو فولت	25.5كيلو فولت
8.7/15كيلو فولت	17.5كيلو فولت	35كيلو فولت
12.7/22كيلو فولت	24كيلو فولت	51كيلو فولت
19/33كيلو فولت	36كيلو فولت	76كيلو فولت

About BS 6622 كابل الجهد المتوسط

The most commonly used medium voltage cable under the BS6622 standard is the 11kv voltage, as it can be used for power networks, fixed installations in outdoor cable ducts or directly into the ground, and has a wide range of applications, and is indispensable for a variety of power pr ojects and urban electricity use.
في the range of medium voltage cables, the voltage range goes up to about 33kv and may also reach 35kv or 40kv depending on the standards of different countries.

What is the difference between the common 11kv and 33kv for the same medium voltage cable?

Different Voltage Ratings

11kV cable: Rated voltage is generally 6/10kV or 6.35/11kV.
33kV cables: the rated voltage is generally 19/33kV or 18/30kV.

The higher the voltage level, the higher the requirements for cable insulation, sheath and other materials.

Different Application Acenarios

11kV Cable

– Mostly used for secondary power supply in urban distribution system, such as from the substation to the user distribution cabinet;

– Factories, المدارس, small industrial parks and other medium-sized load places.

33kV cable

– Used for backbone power transmission lines, على سبيل المثال. from substations to multiple lower level transformers;

– Suitable for long-distance, high-capacity power transmission, such as wind farms, photovoltaic power stations or large industrial load centers.

Differences in Structural Design

Due to the higher voltages they are subjected to, 33kV cables have a more complex construction, including thicker insulation (على سبيل المثال. XLPE), tighter shielding systems (conductive shielding, metallic shielding), sheathing and so on, making them more mechanically protective.
11kV cables, على الجانب الآخر, have a simpler construction, but still include the basic conductor shielding, insulation and metal shielding.

11kV vs 33kV Cable Size

Due to the high voltage and thick insulation, 33kV cables are larger and heavier overall, requiring higher costs; installation is more complex in terms of space and labor, and often requires specialized tools and higher standards of construction conditions.

Example:

غرض	11kV 1×240mm²	33kV 1×240mm²
Conductor Cross Section	240 مم²	240 مم²
قطر الموصل	≈ 17.6 مم	≈ 17.6 مم
Insulation thickness	5.5 مم	8.0 مم
Cable weight	≈ 2.2 kg/m	≈ 2.8 kg/m

About ZMS Cable

ZMS Cable has more than 30 years of experience in manufacturing medium voltage cables, since 1990, our factory has been in the leading position in medium voltage cable technology, has supplied medium voltage cables for power projects in many countries around the world, and enjoys a good reputation in the Middle East, Southeast Asia, Africa, إلخ. ZMS Cable, as an excellent cable supplier, will always implement the principle of “customer first” to carry out the work to ensure that each order can be delivered without fail. ZMS Cable, as an excellent cable supplier, will carry out its work on the principle of “Customer First” to ensure that every order can be delivered without fail.

ZMS Cable Services

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