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[PML1.PJ.PJ2] Electricity energy metering box

 

General

 
       PML1, PJ1 and PJ2 Series Electric Energy Metering Cubicles are specially designed metering equipments ensuring accurate and reliable electric energy metering and maintaining both benefits of power supply utilities and power consumers.  The products are in conformity with GB 16934 – 1997 and satisfy the requirements from power supply utilities.  And ECC is one of such product appointed manufactures by Shanghai Power Supply Utilities.
 
 
1.            Application
 
1.1     The integrated cubicle-type PJ1–Z Low Voltage Metering Switchgear is a kind of indoor cubicle competently applied in power network with AC 50Hz, nominal working voltage 380V and rated working current up to 630A in normal conditions as an power distribution and metering equipment in low voltage electric power systems.
 
1.2     The integrated cubicle-type PJ1–0.38 Low Voltage Metering Switchgear is a kind of indoor cubicle competently applied in power network with AC 50Hz, nominal working voltage 380V and rated working current up to 800A in normal conditions as an power metering equipment mainly for GGD Switchgear and transformer cubicles.
 
1.3     The separated cubicle-type PJ2–D High Voltage Metering Cubicle is a kind of indoor cubicle competently applied in power network with AC 50Hz and nominal working voltage 100V (380V) in normal conditions for separated high (low) voltage power metering.
 
1.4    The separated case-type PJ2–F Temporary Metering Cubicle is a kind of indoor cubicle competently applied in power network with AC 50Hz and nominal working voltage 380V in normal conditions for temporary power metering.
 
1.5    The integrated cubicle-type PML1 Low Voltage Metering Switchgear is a kind of indoor cubicle competently applied in power network with AC 50Hz, nominal working voltage 380V and rated working current up to 630A in normal conditions as an complete power distribution and metering equipment in high rises and sub high rises.
 
 
2.   Structure and overall dimensions
 
       The cubicle frame is made of machined and welded cold rolled sheet steel in a form of front door access.   Side walls and back plates are firmly welded and impossible to open.  On the front door, special locking facilities with lead seal is available and there is a viewing window with 4 ~ 5 mm thick transparent glass through which one may read meters without need to open the front door. 
CT meter is mounted on a flexible and removable door.  This structure features easy in modifying wires with variation of metering mode.  It is easy to mount, inspection and maintenance.  The removable racks in meter plates are suitable for mounting of different kinds of meters. 
 
  2.1   Dimensions and overalls
 
    2.1.1   PJ1 – Z:     900 (Width) × 600 (Depth) × 2200 (Height);
refer to Fig. 1 for overall.
    2.1.2   PJ1 – 0.38:  1000 (Width) × 600 (Depth) × 2200 (Height);
                       refer to Fig. 2 for overall.   
    2.1.3   PJ2 – D:     800 (Width) × 600 (Depth) × 2200 (Height);
refer to Fig. 3 for overall.
    2.1.4   PJ2 – F:     700 (Width) × 300 (Depth) × 1`00 (Height);
refer to Fig. 4 for overall.
    2.1.5   PML1:     500~1000 (Width) × 600 (Depth) × 2200 (Height);
refer to Fig. 5 for overall.
 
3.        Working conditions
 
  The metering cubicles work normally under the following conditions:
 
  3.1  Indoor
  3.2  Ambient temperature:  -5℃ ~+40℃ with average temperature within 24 hours not over +35℃;
  3.3  Relative humidity:      Not higher than 90% at +20℃, and not 50% at 50℃;
  3.4  Altitude above sea level: Not over 2000 meters.
 
  3.5  Inclination:  Not over 3° for the cubicle frame and not over 1° for the meter.

 

 
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