ตึงเครียด DGK-04F รีเลย์ควบคุม

ตึงเครียด DGK-04F Digital Adjustable 3-Phase Over&Under Voltage & Phase Sequence Control Relay

1. Model Positioning & ฟังก์ชั่นหลัก

ตึงเครียด DGK-04F is a digitally adjustable 3-phase over&under voltage+phase sequence control relay manufactured by TENSE Electronic (ไก่งวง). It belongs to the DGK series protection and control products, designed specifically for industrial three-phase equipment. It monitors voltage anomalies (overvoltage/undervoltage) and phase sequence errors simultaneously to prevent equipment damage caused by grid fluctuations or wiring mistakes.

กฎการเข้ารหัสโมเดล (DGK-XXX)

2. ข้อมูลจำเพาะทางเทคนิคหลัก

3. คุณสมบัติที่สำคัญ & ข้อดี
4. Three-in-one protection: Integrates overvoltage, แรงดันตก, and phase sequence protection; one device solves multiple grid risks.
5. Digital precise adjustment: Higher accuracy (±1V) than analog relays, with more intuitive settings.
6. Non-phase-sequence control mode: Switchable via DIP switch, suitable for special applications without phase sequence protection.
7. No neutral wire required: Direct 3-phase power supply, simplifies wiring and reduces installation cost.
8. Stable wide-temperature operation: Adapts to harsh industrial environments and maintains reliable performance at high/low temperatures.
9. Dual mounting methods: DIN rail or panel mounting to meet different cabinet design requirements.
10. Clear fault indication: LED indicators intuitively show operating status and fault types for quick troubleshooting.
11. DGK Series Full Model Comparison

5. สถานการณ์การใช้งานทั่วไป
6. Industrial motor protection: 3-phase asynchronous motors, คอมเพรสเซอร์, ปั๊ม; prevents winding burnout from abnormal voltage or mechanical damage from reverse rotation due to phase sequence error.
7. สายการผลิตอัตโนมัติ: ระบบควบคุม PLC, robot workstations, เครื่องซีเอ็นซี; ensures stable operation of precision equipment and avoids production interruptions caused by grid fluctuations.
8. Building electrical systems: Central air conditioning, ลิฟต์, pump rooms; protects key building equipment and improves power supply reliability.
9. พลังงานทดแทน: PV inverters, wind power equipment; adapts to unstable new energy output and protects grid-connected devices.
10. Petrochemical industry: Auxiliary equipment outside hazardous areas; wide-temperature design adapts to high-temperature refinery environments.
11. Mining machinery: Crushers, สายพานลำเลียง; withstands harsh grid conditions and prevents frequent equipment failures.
12. Alternative Products & Order Codes from Other Brands

6.1 ทางเลือกแบรนด์ต่างประเทศ (Equivalent Function)

6.2 Chinese Brand Alternatives (คุ้มค่า)

7. Key Points for Selection & การทดแทน

7.1 Core Matching Dimensions (Must Check for Replacement)

7.2 Replacement Implementation Recommendations

1. การย้ายพารามิเตอร์: Record overvoltage/undervoltage thresholds, response time and other parameters of the original DGK-04เอฟ, and set identical parameters on the new device after replacement.
2. Wiring verification: 3-phase power wiring must be consistent with the original system; phase sequence errors cause false protection.
3. การทดสอบฟังก์ชัน: หลังจากเปลี่ยนแล้ว, perform simulated overvoltage, undervoltage and phase sequence error tests to verify normal protection functions.
4. Redundant configuration: Paired configuration is recommended for critical equipment to improve system reliability.
5. คู่มือการเลือกฉบับย่อ

Complete Manual of TENSE Relay Product Series Codes

1. Voltage Control Relays (Core Protection Series)

1.1 Classic Analog Type (GK Series)

1.2 Digital Adjustable Type (DGK Series)

2. Current Protection Relays (โอเวอร์โหลด / การป้องกันการสูญเสียเฟส)

3. รีเลย์เวลา (Delay Control Series)

3.1 Digital Programmable Type

3.2 Analog Timing Type

4. Temperature Control Relays (การตรวจสอบอุณหภูมิ & การป้องกัน)

5. Submersible Pump Control Relays (Special Control Series)

6. Power Factor Controllers (Reactive Power Compensation Series)

6.1 Three-Phase Series (RGT Series)

6.2 Single-Phase Series (RGM Series)

7. Special Function Relays (Customized Applications)

8. Model Coding Rule Analysis

8.1 Voltage Control Relays (GK/DGK Series)

8.2 Power Factor Controllers (RGT/RGM Series)

9. Series Quick Reference Guide

Complete Analysis of TENSE ERV Series Time Relays (Including Models, ข้อมูลจำเพาะ, การใช้งาน & ทางเลือก)

1. Series Positioning & ฟังก์ชั่นหลัก

TENSE ERV series is the economy time relay product line of TENSE Electronic (ไก่งวง), focusing on delay control and sequential logic in industrial automation. It covers basic on-delay, multi-function cycle, star-delta starting and other special applications. With compact design, wide voltage adaptability and high cost performance as core advantages, it is widely used in motor control, production line automation, building electrical and other fields.

Core Features of the Series

1. การออกแบบโมดูลาร์: Standard 22.5mm DIN rail mounting, saves cabinet space.
2. Wide voltage supply: 150–260V AC / 24V AC/DC auto-adaptive, suitable for global power grids.
3. มีความน่าเชื่อถือสูง: IP40 protective shell, วี-0 flame retardant material, adapts to harsh industrial environments.
4. การกำหนดค่าที่ยืดหยุ่น: Knob / DIP / button adjustment methods to meet different accuracy requirements.
5. การป้องกันที่ครอบคลุม: โอเวอร์โหลด, ลัดวงจร, overvoltage protection to extend service life.
6. กฎการเข้ารหัสโมเดล (ERV-XX[D/F/M/YU/STER])

3. ERV Series Complete Model List (By Function)

3.1 Basic On-Delay Type (No Suffix D)

3.2 Multi-Function Delay Type (Suffix D)

3.3 Special Function Type (Special Suffix)

4. Core Technical Specifications Comparison (Full Series)

5. สถานการณ์การใช้งานทั่วไป
6. การควบคุมมอเตอร์

ERV-YU/STER: Star-delta starting for 3-phase motors (7.5kW–90kW)

ERV-30D: Motor overload protection delay to prevent frequent starting

ERV-03: Delayed start of motor auxiliary equipment (แฟน ๆ, oil pumps)

2. สายการผลิตอัตโนมัติ

ERV-12: Short-cycle action control (cylinder extension, material pushing)

ERV-60D: Inter-process delay to ensure material in place and temperature compliance

ERV-08: Long-cycle equipment maintenance reminders (filter replacement, การหล่อลื่น)

3. Building Electrical Systems

ERV-09เอฟ: Emergency lighting flashing control, exit indication

ERV-30: Delayed start of air conditioning and ventilation to balance grid load

ERV-60: Timed control of public area lighting for energy saving

4. Special Industrial Applications

ERV-09DD: Dual-station switching control for welding equipment

ERV-08ม: Delayed closing of cold storage doors to prevent cold air loss

ERV-60D: Chemical dosing and backwash sequence control in water treatment systems

6. Alternative Products & Order Codes from Other Brands

6.1 ทางเลือกแบรนด์ต่างประเทศ (Equivalent Function)

6.2 Chinese Brand Alternatives (คุ้มค่า)

7. Key Points for Selection & การทดแทน

7.1 Core Matching Dimensions (Must Check for Replacement)

7.2 คำแนะนำในการคัดเลือก

1. Basic delay control: Prioritize ERV-XX series (ERV-12 for 0.1–12sec, ERV-03 for 0.1–3min)
2. Complex sequential control: Choose ERV-XXD multi-function type (supports multiple delay modes)
3. Motor starting applications: Star-delta starting must use ERV-YU/STER dedicated models for accurate switching timing
4. Long-cycle control: Choose ERV-08/08ม (0.1sec–100h) for unattended scenarios
5. Budget-sensitive projects: Chinese brand alternatives (CHINT, อร่อย) reduce cost by 30%–50%
6. คู่มือการเลือกฉบับย่อ