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 Fire retardant power cables in mines

��Ʒ��;:��Ʒ������ú���¶��ѹ0.6/1KV�������������·��

Scope of application:The product is suitable in coal mine mine shaft rated voltage 0.6/1KV and below loses the distribution line

ִ�б�׼ Standards implemented: MT 818-1999

�ͺ����Ƽ�ʹ�÷�Χ Model descriptions and Use scope

�� �� Model
�� ��
Descriptions
ʹ �� �� Χ
Scope of application
MVV
ú���þ�����ϩ��Ե������ϩ���׵�������
PVC insulated PVC sheathed power cables for use in mines
���е��ܴ�����·�����ܳ��ܻ�е��������
Energy transmission linebut not mechanical impact in mines
MYJV
ú���ý�������ϩ��Ե������ϩ���׵�������
XLPE insulated PVC sheathed power cables for use in mines
���е��ܴ�����·�����ܳ��ܻ�е��������
Energy transmission linebut not mechanical impact in mines
MVV22
ú���þ�����ϩ��Ե�ִ���װ������ϩ���׵�������
PVC insulated steel tape armored PVC sheathed power cables for use in mines
���е��ܴ�����·�ܳ���һ����е����
Energy transmission linecan bearing mechanical impact in mines
MVV32
ú���þ�����ϩ��Եϸ��˿��װ������ϩ���׵�������
PVC insulated fine steel wire armored PVC sheathed power cables for use in mines
���е��ܴ�����·�ܳ���һ��������
Energy transmission linecan bearing some full in mines
MYJV22
ú���ý�������ϩ��Ե�ִ���װ������ϩ���׵�������
XLPE insulated steel tape armored PVC sheathed power cables for use in mines
���е��ܴ�����·�ܳ���һ����е����
Energy transmission linecan bearing mechanical impact in mines
MYJV32
ú���ý�������ϩ��Եϸ��˿��װ������ϩ���׵�������
XLPE insulated fine steel wire armored PVC sheathed power cables for use in mines
���е��ܴ�����·�ܳ���һ��������
Energy transmission linecan bearing some full in mines
MYJV42
ú���ý�������ϩ��Ե�ָ�˿��װ������ϩ���׵�������
XLPE insulated coarse steel wire armored PVC sheathed power cables for use in mines
���е��ܴ�����·�ܳ��ܽϴ������
Energy transmission linecan bearing bear full in mines

ע��XLPE��Ե��PVC��Ե���о�Եǿ�ȸߣ����ϻ����ͻ�ѧ��ʴ����ˮ���ܵ��ŵ�

XLPE insulation strength the PVC insulation to be higher than the anti-aging bears merits and so on chemistry corrosion and waterproof performance.

���¹�� Specifications

�� ��
Model
о ��
Core number
���ѹ(KV)
Rated voltage
��ƽ��� mm2
Nominal sectional
����о
Master core
������о(���ĸ�о)
Neutrality core
MVV MYJV
3
0.6/1
1.5-185
-
MVV22
2.5-185
MYJV22
4-185
MVV32 MYJV32 MYJV42
4-185
MVV MVV22
3+1
0.6/1
4-185
2.5-95
4
4-185

���½ṹʾ��ͼ IIIustration of cable structure

ʹ������ Service characteristics  

���µ������߶�¶�
Electric cable conductor Max. rated temperature
XLPE��Ե90�棬 PVC��Ե70��
XLPE insulation90�� PVC insulation70��
���·���ʱ�Ļ����¶�
Cable laying environment temperature
��0��
��·ʱ���µ��������¶�(����ʱ���5S)
Short circuit electric cable conductor max. temperature
XLPE��Ե��250�棬 PVC��Ե��160��
XLPE insulation��250��PVC insulation��160��
���µ���С�����뾶
Minimun bending radius
Ϊ��������������Բ��ֱ����2��
Uses the column diameter for the electric cable bend test 2 times

������Ҫ�������� Major technical performances

1�� ���µ���ֱ�����輰��Ե���� Cable conductor DC resistance and insulated resistance

�� ��
Model
��ƽ��� (mm2)
nominal sectional
+20�浼��ֱ������(�ܦ�/Km)
DC resistance of the conductor at 20��
+20���Ե���賣��(��M��.Km)
Insulation resistance at 20��
MVV MVV22
MVV32 MYJV
MYV22 MYJV32
MYJV42
1.5
12.1
36.7
2.5
7.41
4
4.62
6
3.08
10
1.83
16
1.15
25
0.727
35
0.524
50
0.387
70
0.268
95
0.193
120
0.153
150
0.124
185
0.991

2������������Ҫ�������� Other major technical performances

(�ͺ�Model:MKVV22��MKVV32��MKVV42��MKVV��MKVVR��MKVVP��MKVVP2��MKVVRP)

�� ��
Serial number
��Ŀ Items
�������� Technical performances
1
+20��ʱ����ֱ������(�ܦ�/Km)
Conductor DC resistance at 20��
���ϱ� See above table
2
+20��ʱ��Ե����ij���(��M����Km)
Insulation resistance at 20��
���ϱ� See above table
3
5min��Ƶ������ѹ����
5min power frequency alternating current pressure test
о-о Core-Core
о-��װ Core-Armor
3500V������ 3500V no breakdown
4
4h������ѹ����
4h AC high voltage test
2400V������ 2400V no breakdown
5
������ֱȼ������
Single wire burning test
MT386
6
����ȼ������
Group burning test
����GB/T18380.3��׼��B�����ȼ������Ҫ��
Conforms to GB/T18380.3 standard B kind group burning test




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