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Main switchboard 2810

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Product description
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Executive standard

◆ GB11634-2000 Marine AC low-voltage switchboard General technical conditions 
Applicable scope 
◆ Used in ships, offshore platforms, power stations and other fields, used to control, monitor, protect generators and transformers, and network power distribution. 
◆It is used in the system of AC690V, DC380V and below, 50Hz/60Hz, and the power of single generator is 12KW-1600KW. 
◆ Protection level is divided into: IP23 (indoor), IP44 (indoor humid environment). 
Features 
◆The panel material is high-quality cold-rolled steel plate (can be customized for aluminum plate), and the surface is electrostatically sprayed. 
The cabinet is a modular combination frame type. 
◆Internal components mainly use ABB, Schneider, Siemens, Mitsubishi, Omron and other internationally renowned brands and domestic well-known brand products in line with national standards. 
According to the needs of customers, the corresponding functional modules can be integrated with different automatic power station management systems for different ships, so that the main distribution board can allocate and manage electric energy more rationally, economically, practically and intelligently, and realize the unmanned cabin. 


                   Generator number 
                   generator total power 
0-manual frequency modulation load, 1-automatic frequency modulation load, 2-automatic frequency modulation load + load transfer     
0- no parallel, 1-manual parallel, 2-manual + quasi-synchronous , 3-manual + automatic parallel, 4-pot management system 
J-AC, Z-DC 
Z-main switchboard, Y-emergency switchboard 
switchboard 
 

 
function overview
◆ main switchboard 
1. overload and short circuit protection 
2. Overvoltage and undervoltage protection 
3. Reverse power protection 
4. Manual or automatic voltage regulation and frequency modulation
5. Measurement of power parameters 
6. Manual/automatic synchronization and measurement 
7. Grid insulation monitoring 
8. Electrical fault alarm and display 
9. Non-critical load priority trip 
10 automatic power station management system: 
a. Power grid monitoring, protection, indication . 
b. Automatic start-up parallel connection, automatic unloading/unwinding/stopping, automatic load sharing, automatic increase/decrease, sequential start of auxiliary pump, overload inquiry and allowable start-up. 
c. With standard CAN bus, MOD bus, PROFI bus, CAT CCM bus or RS232 external communication control interface. 
d. The setting range of the generator control conditions and its parameters is wide. 
e. Display and record various working states and faults of the power distribution board. 
 
Function Overview of 
 
Marine Emergency Switchboard

◆ The emergency switchboard room is used to control and monitor the operation of the emergency power supply, and supply the power generated by the emergency generator to the emergency load of the whole ship through the emergency power grid. It usually consists of an emergency generator control panel and an emergency load screen. It is usually installed on the deck of the ship in the same compartment as the emergency generator. 
When the control system detects that the main switchboard is out of power, it automatically disconnects the main switchboard and the emergency switchboard, automatically starts the emergency generator, and starts three times in 45S. The start failure fails to sound and light alarm, and the emergency after the start is completed. The genset switch is automatically closed. When the main switchboard is restored, the emergency genset is automatically opened, and the liaison switch of the main switchboard is automatically closed. At the same time, the emergency genset switch is automatically stopped after a delay of 3 minutes. generator. 


Marine distribution box 
implementation standard

◆ CB/T1046-92 
outline 
distribution electric box is used for ship electrical network, distribution of ship power, lighting and emergency power supply, with overload and short circuit protection.
 
Structural features: 
1 The distribution box is made of high-quality cold-rolled steel plate (or custom aluminum profile) with a thickness of 1.5mm or more, and the surface is electrostatically sprayed; 
2 the protection level is up to IP56; 
3 box-inserted sealed seismic seals The door opening angle is greater than 90°; 
4 self-locking door locker, surface mounted hinge, protective cover and corresponding road sign; 



              P is three-phase balance 
                   F is non-standard product 
number of   
circuit breaker number 
design sequence number ( 5 is the power distribution box, 6 is the lighting distribution box) 
distribution box

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