u Hardware platform of high performance and reliability

Using multi CPU structure with high-performance floating-point DSP + FPGA + ARM, industrial level platform design, with embedded real-time multi task operating system, it can ensure timeliness and speedibility for protection calculation, and ensure the richness and operability of the interface as well.

u Without AD design

Full digitalization, without AD design, directly supports the IEC61850-9-2 protocol through the optical  Ethernet sampling

u Support GOOSE

Support IEC61850 protocol GOOSE service, it can give up the traditional DI & DO board, acquisition DI signal and sending trip command through the optical fiber Ethernet.

u High anti interference case

It is applied with integrated panels, reinforced unit box, with anti vibration & anti interference design, suitable to be used in harsh environment. It is applied with new structure of pull & plug at the back, strong & week current isolated, the strong current outlet directly from the plug-in,  in order to ensure the high reliability of the device.

u Hardware modularization
Designed with hardware modularization structure, good interchange ability, simple maintenance, greatly reduced the spare parts.

u Designed with comprehensive functions:

The software applied with the function modularization design, various functions can be flexible configuration, in order to meet the customer's request.

Device can store 10 sets setting value, it is extremely convenient to modify the fixed value and switchover operation mode.

Have accident sequence records and accident recall function, can save 200 final time, fault current and voltage with time information of the event log;Large capacity fault wave record, wave record time set by the user, the total wave record time up to 20 s, and power failure data is not lost.

Hardware timing self-checking function is equipped inside device, internal fault in the device can be timely detected and alarm.

u The localization of the graphical user interface:
Real-time display current, voltage, frequency, power and various events information, can also according to the wiring diagram, the display can be through the front panel of the RS - 232 interface in the quad.Buttons, simple operation, Chinese and English operation interface, multiple user rights management, facilitate operation maintenance personnel at the scene.

u High accuracy clock

High accuracy hardware clock circuit, combined with network and GPS timing, realize the synchronization with system clock; support SNTP clock synchronization based on Ethernet.

u HZP500 series combiner can access electronic type or photoelectric transformer, it can also access the traditional transformer, supporting time synchronization for IEEE1588, IRIG-B or pulses per second, the precision can up to 1μs with 100M Ethernet interface and hardware decoding technology, and equipped with 100m full flow data processing ability.

u HZP500 series smart unit can realize the digitization locally for traditional primary equipment, it has intelligent fail safe function, realized the self-check function for trip contact and clamp, in order to solve the blind area of secondary loop monitoring, it support the condition based maintenance for secondary system of substation.Both can be installed outdoor cabinet put oneself in another's position, also can panel installation, communication agreement in accordance with IEC61850 standard.

u HZP500 series product support IEC61850 communication: the device provide double port high speed 100 m Ethernet interface, support IEC61850 / MMS protocol, provides speediness and high reliability communication.

3. Main parameters

l Rated electrical parameter

Rated working voltage: AC220V, allowable deviation –20%～+20%，50Hz（60Hz） ± 1%；

Rated AC current: DC220V or DC110V, allowable deviation –20%～+15%；

Frequency rated value: 50Hz or 60Hz；

l Secondary current (TA) rated value: 5A or 1A

l Secondary voltage(TV) rated value: 100V or  100/√(3)V, 110V or 110/√(3)V；

l Protection precison

Inherent action time: ≤30ms
Time constant value error: ≤±1%
DI resolution ratio:  ≤1ms

l Fibre channel parameters
type of fiber: single mode or multimode available

Fiber interface: ST

l Main technical parameters of HZP500 series combiner:

Uses the circuit work scope:
Voltage: 0.1Un～1.2Un
Current: 0.2In～1.5In

u Analog measuring accuracy:
Voltage sampling error is less than ±0.2%(0.1Un～1.2Un)
Current sampling error is less than ±0.2%(0.2In～1.5In)
Sampling synchronization error: no more than ±0.2°

u Main technical parameters for HZP500 series intelligent units:
DI: maximum support 192 loop
DO: maximum support 160 loop 

IEC81850-9-2 protocol: maximum 22 loop
GOOSE action time: no more than 7 ms (including relay output time)

u Insulating performance

Insulation resistance: the live part, no live part, enclosure and the circuit without connection no contact between of electric with open circuit voltage of 500 v megohmmeter, measuring the insulation resistance, normal test under the condition of the insulation resistance of each circuit of voltage grade should be no less than 100 m Ω.

Medium intensity: under normal atmospheric conditions test, the device can withstand the frequency of 50 Hz, the voltage is 2000V, power frequency withstand voltage test which last for a minute, and without breakdown flashover and the element damage.

u Impulse voltage

    In normal atmospheric conditions, the power input  circuit, AC circuit, the output contact loop over the ground, it can withstand the 1.2/50 Impulse voltage test in time for lighting wave between circuit, open circuit test voltage 5 kv.

u Hydrothermal property resistance
The device can withstand the moisture test specified in chapter 20 of GB/T 7261-2000, maximum test temperature + 40 ℃, the maximum humidity is 95%, the test time  is 2 weeks (48 h) cyclic damp heat test.

u Vibration

The device can withstand the GB/T 7261-2000, chapter 16 harsh level for the vibration response test and vibration e ndurance capability test.

u Impact

The device can withstand the impact response test and impact endurance capability test by harsh level for level 1 in chapter 17 of GB/T 7261-2000.

u Crash

The device can withstand the GB/T 7261-2000, chapter 18 of severe level for level 1 crash test.Device can withstand the GB/T 7261-2000, chapter 18 of severe level for level 1 crash test.

u Electrical interference resistance
Electrostatic discharge noise immunity: pass the electrostatic discharge interference resistance Ⅳ level test of GB/T 14598.14-1998 standard.
Radio frequency electromagnetic field radiation noise immunity: pass the radio frequency electromagnetic field radiation noise immunity Ⅲ level test of GB/T 14598.9-2002 standard.
Electrical transient bursts immunity: pass the electrical transient bursts immunity class A (grade Ⅳ) test of GB/T 14598.10-2007 standard
Surge immunity impact: pass the impact surge immunity Ⅲ level test of GB/T 14598.18-2007 standard
Radio frequency field conduction disturbance degree: pass the of radio freqncy field induction Ⅲ conduction disturbance degree level test of GB/T 14598.17-2005 standard
Power frequency magnetic field immunity: passd power frequency magnetic field immunity test grade A of GB/T 14598.19-2007 standar
Oscillation wave immunity: pass the oscillation wave immunity Ⅲ level test of GB/T 14598.13-2008 standard

u Environmental conditions

Operating temperature: - 10 ℃ ~ + 55 ℃.
Storage transportation: 25 ℃ ~ + 70 ℃.
Relative humidity: no greater than 90%, no condensation.
Atmospheric pressure: 80 ~ 110 kPa

4. Main function

   As per paper document