Customized products can consult online customer
service! PRODUCT DETAILSDC Power Supply Panel
DC panel used in large, middle and small power
generating plant or substation, output DC source for the ON/OFF
operation, relay protection, auto control, lighting tor high
voltage switches at normal status or fault status. The reliability
of the DC panel is what other power source devices can't substitute
always. It can meet with such high reliability for the auxiliary
power source in substation and power plant.
This series of DC panels has such features as small size,
high efficiency, high technical index, module design n+1 heat
redundancy backup, high reliability, module design . Adopted
the world's latest advanced technology of Resonant voltage
dual-loop control resonant switch power source"four remote
operations, standard RS-485 and RS232 interfaces provided tor
automation, also the other performances excel over the traditional
power source of similar use. Complied
standards: GB/T 19826-2005 General specification and safety
requirements for DC power supply equipment of power projects. JB/T
5777-4-2000 The general specification and safety requirements for
D.C power supply equipment of power system. JB/ 8456-1996
Low-voltage D.C switchgear and controlgear assemblies DL/T 459-2000
Specifications of D.C supply cabinet in power system. DL/T 504195
Technical code for the design of fossil-fired power plant inner
communication Full voltage auto dropIt can automatically
switch on/off according to the voltage for closing operations, by
use of stepless voltage drop device, or voltage step drop device,
reliably and securelyCentrally monitor and control functionCentral
monitor device ordinate or control the running parameters/status of
each part in DC panel, meanwhile collect the parameters of each
function module and upload to host machine, transfer the command
from the host machine. The structure designed as building
brocks, the panel can supervise the input AC source voltage,
current, of two loops, work mutually as the main and standby source
for auto-switching n/off. ordinate or control the current and
voltage of control busbars and closing busbars; battery
voltage, battery discharging current, insulation parameter,
supervise the operating status of the closing switch control
switch, battery fuse, detection of the insulation for outgoing line
(option), toured inspection of battery (option), monitoring ambient
temperatureMulti-stage protectionsSurge protector to prevent input
over-voltage: output over-voltage protection; output
current limiting protection; short circuit
protection; module shunt protection; over-temperature,
over-current protection, all of these can improve the safety and
reliability of operationTemperature compensationAccording to the
data provided by the battery factory, select the temperature
compensation center and the coefficient automatically adjust the
charging voltage, to meet the requirement of battery chargingAlarm
functionAfter parameter set, it can perform different alarm
functions, including under-voltage of control busbar, under-voltage
of battery group, insulation abnormality, output switching
statusN+1 Redundancy designChange the qty and capacity of power
source modules, to realize the free combination of output scheme of
panels, to match different battery capacities, from
10Ah-3000Ah. Meanwhile, because this design executes n+ 1
redundancy arrangement when the capacity is small, it still can
realize 1+1 standby.Communication functionThrough the selection of
interface, it can shift the communication protocol between CDT and
MODBUS. Two communication ports RS-485 and RS-232 to be selected
for four remote operationsBattery-free of maintenanceValve
Regulated Lead Acid Battery, free of maintenance, is utilized,
able to work securely and safely. It does not need to add acid
or water. The smart controller can shift between average
charge and float charge according to the presettingThe technical
parameters of the form are for reference only.Customized products
can consult online customer service!AC input voltage: AC 380V ±
20%.Frequency: 50 Hz± 2%.DC output voltage: 110V or
220VRegulation accuracy: +0.5%.Current regulator accuracy:
+1%Ripple factor: s 0.5%.And not all mobility: +3%Control bus:5A,
BA, 10A, 12A, 15A, 20A, 30A, 40A, 50A, BOA, 100AClosing bus: 120A,
240A, 480A, 720A..Lead-acid batteries : 7AH, 17AH, 40AH, 65AH,
100AH, 200AH, 300AH, 400AH. .500AH, 600AH, 800AH, 1000AH,
1500AH,.2000AH, 3000AHNickel-cadmium batteries : 10AH, 20AH, 40AH,
65AH, 100AH, 200AH, 300AH.400AH, 500AHDegree of protection:
IP30Input Power Factor: ≥0.93Charging efficiency: ≥95% .Maximum
noise (dB):
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