HPD300 REVERSE POWER PROTECTION RELAY
MULTIFUNCTIONAL PROTECTION MODULE
User Manual
Chinese trademark
English trademark
Smarten — make your generator smart
Smarten Technology Co., Ltd
No.28 Jinsuo Road, Zhengzhou, Henan Province, China
Tel: +86-371-67988888/67981888/67992951
+86-371-67981000(overseas)
Fax: +86-371-67992952
Email: sales@smartgen.cn
Web: www.smartgen.com.cn
www.smartgen.cn
All rights reserved. No part of this publication may be reproduced in any material form (including photocopying or storing in any medium by electronic means or other) without the written permission of the copyright holder.
Smarten Technology reserves the right to change the contents of this document without prior notice.
Table 1- Version History
| Date | Version | Content |
| 2014-08-07 | 1.0 | Original release. |
| 2014-10-09 | 1.1 | Rename the product. |
| 2015-03-24 | 1.2 | Add “Multifunctional Protection Module” to the name |
| 2021-09-29 | 1.3 | Modify the function of the TEST key. |
Table 2 – Symbol Instruction
| Symbol | Instruction |
 NOTE |
Highlights an essential element of a procedure to ensure correctness. |
 CAUTION |
Indicates a procedure or practice, that, if not strictly observed, could result in damage or destruction of equipment. |
OVERVIEW
HPD300 reverse power protection relay is widely used in marine Genset fields and land Genset fields.
The power direction, instead of flowing predominantly from the generator to the Bus, as usual, flows back to the generator from the current system when the generator lost excitation or another failure occurs. That is to say, the generator works as an electromotor. HPD300 reverse power protection relay is in order to avoid the above situation and provide protection when an overpowering situation occurs.
PERFORMANCE AND CHARACTERISTICS
- Suitable for 3-phase 4-wire, 3-phase 3-wire, single phase 2-wire, and 2-phase 3-wire systems with frequency 50/60/400Hz;
- Collects 3-phase voltage, 3-phase current, frequency, and power parameters.
GEN LOAD Line voltage (Uab, Ubc, and Uca) Current IA, IB, IC Frequency (Hz) Active Power kW - An adjustable potentiometer allows for set value adjusting and delay value setting.
- 2 relay output;
- One test button, test reverse power, over current, and indicator.
- Widely power supply range DC(8~35)V, suitable to different starting battery voltage environments;
- 35mm guide rail mounting;
- Modular design, pluggable terminal, compact structure with easy installation.
TECHNICAL PARAMETERS
Table 3 – Technical Parameters
| Parameter | Details |
| Working Voltage | DC8. 0V to 35. 0V, continuous power supply |
| Overall Consumption | <0.9W (Standby mode: ≤0.28W) |
| AC Input: | AC30V~ AC620V (ph-ph) |
| Alternator Frequency | 50Hz/60Hz/400Hz |
| Reverse Power Relay Output | 5A AC250V Volts free output |
| Over Current Relay Output | 5A AC250V Volts free output |
| Case Dimensions | 89.7mm x 71.6mm x 60.7mm |
| CT Secondary Current | Rated 5A |
| Working Conditions | Temperature: (-25~+70)°C Humidity: (20~93)%RH |
| Storage Conditions | Temperature:(-25~+70)°C |
| Insulation Intensity | Apply AC2.2kV voltage between high voltage terminal and low voltage terminal; The leakage current is not more than 3mA within 1min. |
| Weight | 0.24kg |
Table 4 – Description of Terminal Connection
| No. | Functions | Cable Size | Remark | ||
| 1 | B- | 1.0mm2 | Connected with the negative of the starter battery. | ||
| 2 | B+ | 1.0mm2 | Connected with the positive of the starter battery. | ||
| 3 | RP TRIP RELAY | Normally Close | 2.5 mm2 | Active when the reverse power has exceeded the set value and the delay timer has expired while deactivate after the power returns to normal. | Normally open; Volts free output; 5A Rated |
| 4 | COM | ||||
| 5 | Normally Open | ||||
| 6 | OC TRIP RELAY | Normally Close | 2.5 mm2 | Active when the load current has exceeded the set value and the delay timer has expired while deactivate after the current returns to normal. | |
| 7 | COM | ||||
| 8 |
Normally Open |
||||
| 9 | L1 | 1.0 mm2 | Phase Voltage Input | ||
| 10 | L2 | 1.0 mm2 | |||
| 11 | L3 | 1.0 mm2 | |||
| 12 | IL1 | Dotted Terminals | 1.5 mm2 | CT A-phase input; Externally connected to the secondary coil of the current transformer (rated 5A). | |
| 13 | |||||
| 14 | IL2 | Dotted Terminals | 1.5 mm2 | CT B-phase input; Externally connected to the secondary coil of the current transformer (rated 5A). | |
| 15 | |||||
| 16 | IL3 | Dotted Terminals | 1.5 mm2 | CT C-phase input; Externally connected to the secondary coil of the current transformer (rated 5A). | |
| 17 | |||||
| LINK | Used for parameters setting. | ||||
| No. | Functions | Cable Size | Remark |
| Port | |||
FUNCTION DESCRIPTION
Table 5 – Function Description
| Item | Description |
| Power Indicator | Power supply indicator; It is illuminated when the relay is powered up. (green light) |
| RP TRIP Indicator | It flashes once per second when the reverse power has exceeded the set value and the RP TRIP indicator lights on when the delay timer has expired. The indicator is extinguished after power returns to normal. (red light) |
| OC TRIP Indicator | It flashes once per second when the load current has exceeded the set value and the OC TRIP indicator lights on when the delay timer has expired. The indicator is extinguished after the current returns to normal. (red light) |
| TEST Button | Press the button for 3 seconds and enter the Test Mode. The reverse relay and indicator output; Release and press the button again, over the current trip relay and indicator output. Press the button a third time to exit the Test Mode. Exit the Test Mode after the 30s without any operation. |
| LEVEL /% Reverse Power Set Value Potentiometer |
Used for adjusting reverse power set value. Range: (0~30)%; Setting value is the percentage of the rated power value. |
| DELAY /s Delay Value Potentiometer |
Used for adjusting delay value. Range: (1~20)%; It is the delay timer of reverse power action. |
| OVER/% Over Current Set Value Potentiometer |
Used for adjusting over a current set value. Range: (50~140)%; Setting value is the percentage of the rated power value. |
| DELAY /s Delay Value Potentiometer |
Used for adjusting delay value. Range: (1~60)s; It is the delay timer of over current action. |
SCOPES AND DEFINITIONS OF PROGRAMMABLE PARAMETERS
Table 6 – Programmable Parameters
| No. | Items | Parameters | Defaults | Description |
| 1 | AC System | (0-3) | 0 | 0: 3P4W, 1: 3P3W 2: 2P3W, 3:1P2W |
| 2 | Gen Rated Voltage | (30-30000)V | 380 | |
| 3 | Gen Rated Frequency | (10.0-400.0)Hz | 50.0 | |
| 4 | Volt. Trans.(PT) | (0-1) | 0 | 0: Disable 1: Enable |
| 5 | Primary Voltage | (30-30000)V | 100 | |
| 6 | Secondary Voltage | (30-1000)V | 100 | |
| 7 | CT Ratio | (5-6000)/5 | 500 | |
| 8 | Full Load Rated Current | (5-6000)A | 500 | |
| 9 | Rated Power | (0-6000) kW | 500 | |
| 10 | Communication Address | (1-254) | 1 |
PC Program:
Parameters setting and real-time monitoring can be implemented via LINK port by using PC software and an SG72 adapter produced by our company. As follows:
TYPICAL DIAGRAM
INSTALLATION DIMENSIONS
- Output And Expand Relays
All outputs are relay contact output types. If need to expand the relays, please add a freewheel diode to both ends expand the relay’s coils (when coils of the relay have DC current), or, add a resistance-capacitance return circuit (when coils of the relay have AC current), in order to prevent disturbance to the controller or others equipment - AC Input
Current input must be connected to the outside current transformer. And the current transformer’s secondary side current must be 5A. At the same time, the phases of the current transformer and input voltage must be correct. Otherwise, the current of collecting and active power maybe not be correct.
Note: When there is load current, the transformer’s secondary side prohibits open circuits. - Withstand Voltage Test
CAUTION! When the relay had been installed in the control panel, if need the high voltage test, please disconnect the relay’s all terminal connections, in order to prevent high voltage into the relay and damaging it.
Documents / Resources
 |
SmartGen HPD300 Multifunctional Protection Module [pdf] User Manual HPD300, Multifunctional Protection Module, HPD300 Multifunctional Protection Module, Protection Module, Module, Reverse Power Protection Relay |
