Basic Info.Output TypeTripleWarranty1 YearOutput
Power1000~20000kVAInput Voltage10kvConnection ModeSeries Switching
Power SupplyStarting ModeSelf-excited Switching Power SupplyVoltage
Regulating ModeFrequency Modulation TypePower Supplying
SystemTerminal Power Distribution EquipmentEnergy
TransmissionOne-way TransmissionModulation
SystemPWMCertificationISOBrandVsgTrademarkVSGOriginChinaProduct
DescriptionOverview of the shore power supply system
When the ship is docked at the wharf, power is
supplied to the ship's auxiliary system through the ship's power
generation system to realize the normal power supply of the ship's
auxiliary equipment during the ship's berthing. For international
ships, the frequency of the ship's power supply equipment is
generally 60Hz and the voltage level is generally 6.6KV or 460V,
while for domestic ships, the frequency of the ship's power supply
equipment is generally 50Hz and the voltage level is generally 6kV
or 400V. To meet the requirements of national energy conservation
and environmental protection, it is necessary to gradually stop the
power supply of onboard diesel power generation systems and supply
power to onboard auxiliary equipment through the onshore power
supply. Considering that the frequency of the domestic power grid
is 50Hz, it is impossible to directly supply power to the equipment
on board. It is necessary to convert the 50Hz power supply onboard
into the 60Hz power supply that can be used by the ship through the
special shore power supply system onshore, and supply power to the
ship through the junction box at the wharf apron, cable winch,
etc. According to the different types of
ships, comprehensively consider the working conditions of the
wharf. Our company can provide flexible and diverse high and
low-voltage shore-based power supply solutions. Can be roughly
divided into;1. High voltage ship shore power system2. Low voltage
ship shore power system3. High and low voltage hybrid shore power
system4. Large capacity multi-machine parallel shore power
systemComposition of shore power system The
ashore power system can be divided into three parts: the shore
power supply system, cable connection equipment, and ship power
receiving system. Onshore power supply system: the onshore power
supply system supplies power from the substation (substation) to
the connection point close to the ship. Cable connection equipment:
cables and equipment connecting shore connection points and
shipboard power receiving devices. The cable connection equipment
must meet the requirements of fast connection.
Ship power receiving system: the power receiving system
is fixedly installed on the ship, which may include a cable winch,
onboard transformer, and relevant electrical management
system.Shore power system equipment supplyMain technical
parametersContentParameters Remarks Input Rated input
voltage 3-phase 6 / 10KV (- 35% ~ + 10%) Rated
input frequency 50HZ±3% Fluctuating
voltage The grid voltage drops within 35%, and the frequency
converter operates with derating power
factor ≥ 0.96 (load greater than 20%) Output Rated
output voltage 3-phase 6 / 6.6/10/11kv Rated output
current 100A~1160A Output power
range 1000≈20000KVA Basic performance Overload
capacity 150% 1min 180% immediate protectionThe protection
curve can be set Power system
efficiency 97% frequency
resolution 0.01Hz Total harmonic distortion
(THD) Less than 3%Meet the national standard gb14549-93 and
eee519-1992 power quality standardsControl
interface display The multi-language color man-machine
interface can simultaneously display basic electrical parameters
such as input and output voltage, current and power, as well as
real-time operation status, alarm recording, and event recording
functions set up Multi-function parameter
setting operation Local, remote control, and host
computer communication Control Analog input /
output 3-channel analog input, 4-channel analog star output
voltage type, or current type can be set, and the input and output
function can be set to 0 (4) ~ 20mA, 0 (2) ~ 10V, etc. ( 7 types
can be selected ) Digital input / output 38 digital
input functions such as 8-channel digital input and 5-channel
digital output (expandable internal virtual REV/FWD) can be set,
alarm barrier can be set, and 52 digital output functions can be
set Communication function RS485, MODBUS-RTU
(standard), PROFIBUS-DP (optional), TCP / P
(optional) Control power capacity Single-phase 220
V AC / 3KVA, 50 / 60Hz (DC power supply can be selected according
to project needs) Main control functions Anti
"power shaking" function, unit bypass, system self-diagnosis,
automatic current limiting function, etc Protection
function Overcurrent, overload, short circuit, three-phase
current imbalance, instantaneous power failure, input and output
phase loss, overvoltage, under-voltage, overheating, external fault
interlocking shutdown, unit automatic bypass, and reverse power
protection Environment
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